SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Perma-Pipe International Holdings, Inc. – ‘10-Q’ for 7/31/22 – ‘EX-101.SCH’

On:  Wednesday, 9/7/22, at 9:11am ET   ·   For:  7/31/22   ·   Accession #:  1437749-22-21946   ·   File #:  1-32530

Previous ‘10-Q’:  ‘10-Q’ on 6/7/22 for 4/30/22   ·   Next:  ‘10-Q’ on 12/6/22 for 10/31/22   ·   Latest:  ‘10-Q’ on 12/8/23 for 10/31/23

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 9/07/22  Perma-Pipe Int’l Holdings, Inc.   10-Q        7/31/22   67:5.5M                                   RDG Filings/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.05M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     24K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     24K 
 4: EX-32       Certification -- §906 - SOA'02                      HTML     20K 
10: R1          Document And Entity Information                     HTML     72K 
11: R2          Consolidated Statements of Operations (Unaudited)   HTML     94K 
12: R3          Consolidated Statements of Comprehensive Income /   HTML     42K 
                (Loss) (Unaudited)                                               
13: R4          Consolidated Balance Sheets (Current Period         HTML    159K 
                Unaudited)                                                       
14: R5          Consolidated Balance Sheets (Current Period         HTML     31K 
                Unaudited) (Parentheticals)                                      
15: R6          Consolidated Statements of Stockholders' Equity     HTML     74K 
                (Unaudited)                                                      
16: R7          Consolidated Statements of Cash Flows (Unaudited)   HTML    126K 
17: R8          Note 1 - Basis of Presentation                      HTML     27K 
18: R9          Note 2 - Business Segment Reporting                 HTML     26K 
19: R10         Note 3 - Accounts Receivable                        HTML     26K 
20: R11         Note 4 - Revenue Recognition                        HTML     75K 
21: R12         Note 5 - Income Taxes                               HTML     26K 
22: R13         Note 6 - Impairment of Long-lived Assets            HTML     30K 
23: R14         Note 7 - Stock-based Compensation                   HTML     56K 
24: R15         Note 8 - Earnings Per Share                         HTML     41K 
25: R16         Note 9 - Debt                                       HTML     47K 
26: R17         Note 10 - Leases                                    HTML     88K 
27: R18         Note 11 - Restricted Cash                           HTML     27K 
28: R19         Note 12 - Fair Value                                HTML     23K 
29: R20         Note 13 - Recent Accounting Pronouncements          HTML     35K 
30: R21         Note 14 - Treasury Stock                            HTML     33K 
31: R22         Significant Accounting Policies (Policies)          HTML     27K 
32: R23         Note 4 - Revenue Recognition (Tables)               HTML     59K 
33: R24         Note 6 - Impairment of Long-lived Assets (Tables)   HTML     28K 
34: R25         Note 7 - Stock-based Compensation (Tables)          HTML     53K 
35: R26         Note 8 - Earnings Per Share (Tables)                HTML     40K 
36: R27         Note 10 - Leases (Tables)                           HTML     86K 
37: R28         Note 11 - Restricted Cash (Tables)                  HTML     26K 
38: R29         Note 14 - Treasury Stock (Tables)                   HTML     31K 
39: R30         Note 2 - Business Segment Reporting (Details        HTML     19K 
                Textual)                                                         
40: R31         Note 3 - Accounts Receivable (Details Textual)      HTML     39K 
41: R32         Note 4 - Revenue Recognition (Details Textual)      HTML     31K 
42: R33         Note 4 - Revenue Recognition - Revenues by Revenue  HTML     34K 
                Class (Details)                                                  
43: R34         Note 4 - Revenue Recognition - Reconciliation of    HTML     31K 
                the Cost in Excess of Billings (Details)                         
44: R35         Note 5 - Income Taxes (Details Textual)             HTML     23K 
45: R36         Note 6 - Impairment of Long-lived Assets (Details   HTML     24K 
                Textual)                                                         
46: R37         Note 6 - Impairment of Long-lived Assets -          HTML     24K 
                Goodwill (Details)                                               
47: R38         Note 7 - Stock-based Compensation (Details          HTML     39K 
                Textual)                                                         
48: R39         Note 7 - Stock-based Compensation - Stock-based     HTML     22K 
                Compensation Expense (Details)                                   
49: R40         Note 7 - Stock-based Compensation - Stock Option    HTML     54K 
                Activity (Details)                                               
50: R41         Note 7 - Stock-based Compensation - Restricted      HTML     42K 
                Stock Activity (Details)                                         
51: R42         Note 8 - Earnings Per Share - Summary of Earnings   HTML     57K 
                Per Share (Details)                                              
52: R43         Note 9 - Debt (Details Textual)                     HTML    173K 
53: R44         Note 10 - Leases (Details Textual)                  HTML     59K 
54: R45         Note 10 - Leases - Supplemental Balance Sheet       HTML     46K 
                Information Related to Leases (Details)                          
55: R46         Note 10 - Leases - Lease Costs (Details)            HTML     33K 
56: R47         Note 10 - Leases - Supplemental Cash Flow           HTML     29K 
                Information Related to Leases (Details)                          
57: R48         Note 10 - Leases - Weighted-average Lease Terms     HTML     27K 
                and Discount Rates (Details)                                     
58: R49         Note 10 - Leases - Maturities of Lease Liabilities  HTML     62K 
                (Details)                                                        
59: R50         Note 11 - Restricted Cash (Details Textual)         HTML     22K 
60: R51         Note 11 - Restricted Cash - Summary of Cash, Cash   HTML     26K 
                Equivalents and Restricted Cash (Details)                        
61: R52         Note 14 - Treasury Stock (Details Textual)          HTML     21K 
62: R53         Note 14 - Treasury Stock - Repurchases of Common    HTML     28K 
                Stock (Details)                                                  
65: XML         IDEA XML File -- Filing Summary                      XML    123K 
63: XML         XBRL Instance -- ppih20220610_10q_htm                XML   1.20M 
64: EXCEL       IDEA Workbook of Financial Reports                  XLSX     99K 
 6: EX-101.CAL  XBRL Calculations -- ppih-20220731_cal               XML    160K 
 7: EX-101.DEF  XBRL Definitions -- ppih-20220731_def                XML   1.00M 
 8: EX-101.LAB  XBRL Labels -- ppih-20220731_lab                     XML    894K 
 9: EX-101.PRE  XBRL Presentations -- ppih-20220731_pre              XML   1.04M 
 5: EX-101.SCH  XBRL Schema -- ppih-20220731                         XSD    157K 
66: JSON        XBRL Instance as JSON Data -- MetaLinks              332±   531K 
67: ZIP         XBRL Zipped Folder -- 0001437749-22-021946-xbrl      Zip    215K 


‘EX-101.SCH’   —   XBRL Schema — ppih-20220731


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" standalone="no" encoding="windows-1252"?>
<!-- Generated by ThunderDome XBRL - 04:24PM UTC 2022-09-06 -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:country="http://xbrl.sec.gov/country/2022" xmlns:currency="http://xbrl.sec.gov/currency/2022" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:exch="http://xbrl.sec.gov/exch/2022" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:naics="http://xbrl.sec.gov/naics/2022" xmlns:ppih="http://investors.permapipe.com/20220731" xmlns:sic="http://xbrl.sec.gov/sic/2022" xmlns:srt="http://fasb.org/srt/2022" xmlns:srt-types="http://fasb.org/srt-types/2022" xmlns:stpr="http://xbrl.sec.gov/stpr/2022" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:us-types="http://fasb.org/us-types/2022" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://investors.permapipe.com/20220731">
<xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/naics/2022" schemaLocation="https://xbrl.sec.gov/naics/2022/naics-2022.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd"/>
<xsd:import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/sic/2022" schemaLocation="https://xbrl.sec.gov/sic/2022/sic-2022.xsd"/>
<xsd:import namespace="http://fasb.org/us-types/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd"/>
<xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/stpr/2022" schemaLocation="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/exch/2022" schemaLocation="https://xbrl.sec.gov/exch/2022/exch-2022.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/currency/2022" schemaLocation="https://xbrl.sec.gov/currency/2022/currency-2022.xsd"/>
<xsd:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
<xsd:import namespace="http://fasb.org/srt-types/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd"/>
<xsd:import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/>
<xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
<xsd:annotation>
<xsd:appinfo>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ppih-20220731_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ppih-20220731_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ppih-20220731_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ppih-20220731_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
<link:roleType id="statement-document-and-entity-information" roleURI="http://investors.permapipe.com/20220731/role/statement-document-and-entity-information">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 000 - Document - Document And Entity Information </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-statements-of-operations-unaudited" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-statements-of-operations-unaudited">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 001 - Statement - Consolidated Statements of Operations (Unaudited) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-statements-of-comprehensive-income-loss-unaudited" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-statements-of-comprehensive-income-loss-unaudited">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 002 - Statement - Consolidated Statements of Comprehensive Income / (Loss) (Unaudited) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-balance-sheets-current-period-unaudited" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-balance-sheets-current-period-unaudited">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 003 - Statement - Consolidated Balance Sheets (Current Period Unaudited) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-balance-sheets-current-period-unaudited-parentheticals" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-balance-sheets-current-period-unaudited-parentheticals">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 004 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-statements-of-stockholders-equity-unaudited" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-statements-of-stockholders-equity-unaudited">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 005 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-consolidated-statements-of-cash-flows-unaudited" roleURI="http://investors.permapipe.com/20220731/role/statement-consolidated-statements-of-cash-flows-unaudited">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 006 - Statement - Consolidated Statements of Cash Flows (Unaudited) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-1-basis-of-presentation" roleURI="http://investors.permapipe.com/20220731/role/statement-note-1-basis-of-presentation">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 007 - Disclosure - Note 1 - Basis of Presentation </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-2-business-segment-reporting" roleURI="http://investors.permapipe.com/20220731/role/statement-note-2-business-segment-reporting">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 008 - Disclosure - Note 2 - Business Segment Reporting </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-3-accounts-receivable" roleURI="http://investors.permapipe.com/20220731/role/statement-note-3-accounts-receivable">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 009 - Disclosure - Note 3 - Accounts Receivable </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-4-revenue-recognition" roleURI="http://investors.permapipe.com/20220731/role/statement-note-4-revenue-recognition">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 010 - Disclosure - Note 4 - Revenue Recognition </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-5-income-taxes" roleURI="http://investors.permapipe.com/20220731/role/statement-note-5-income-taxes">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 011 - Disclosure - Note 5 - Income Taxes </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-6-impairment-of-longlived-assets" roleURI="http://investors.permapipe.com/20220731/role/statement-note-6-impairment-of-longlived-assets">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 012 - Disclosure - Note 6 - Impairment of Long-lived Assets </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 013 - Disclosure - Note 7 - Stock-based Compensation </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-8-earnings-per-share" roleURI="http://investors.permapipe.com/20220731/role/statement-note-8-earnings-per-share">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 014 - Disclosure - Note 8 - Earnings Per Share </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-9-debt" roleURI="http://investors.permapipe.com/20220731/role/statement-note-9-debt">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 015 - Disclosure - Note 9 - Debt </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 016 - Disclosure - Note 10 - Leases </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-11-restricted-cash" roleURI="http://investors.permapipe.com/20220731/role/statement-note-11-restricted-cash">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 017 - Disclosure - Note 11 - Restricted Cash </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-12-fair-value-" roleURI="http://investors.permapipe.com/20220731/role/statement-note-12-fair-value-">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 018 - Disclosure - Note 12 - Fair Value </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-13-recent-accounting-pronouncements-" roleURI="http://investors.permapipe.com/20220731/role/statement-note-13-recent-accounting-pronouncements-">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 019 - Disclosure - Note 13 - Recent Accounting Pronouncements </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-14-treasury-stock" roleURI="http://investors.permapipe.com/20220731/role/statement-note-14-treasury-stock">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 020 - Disclosure - Note 14 - Treasury Stock </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-significant-accounting-policies-policies" roleURI="http://investors.permapipe.com/20220731/role/statement-significant-accounting-policies-policies">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 021 - Disclosure - Significant Accounting Policies (Policies) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-4-revenue-recognition-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-4-revenue-recognition-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 022 - Disclosure - Note 4 - Revenue Recognition (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-6-impairment-of-longlived-assets-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-6-impairment-of-longlived-assets-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 023 - Disclosure - Note 6 - Impairment of Long-lived Assets (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 024 - Disclosure - Note 7 - Stock-based Compensation (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-8-earnings-per-share-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-8-earnings-per-share-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 025 - Disclosure - Note 8 - Earnings Per Share (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 026 - Disclosure - Note 10 - Leases (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-11-restricted-cash-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-11-restricted-cash-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 027 - Disclosure - Note 11 - Restricted Cash (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-14-treasury-stock-tables" roleURI="http://investors.permapipe.com/20220731/role/statement-note-14-treasury-stock-tables">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 028 - Disclosure - Note 14 - Treasury Stock (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-2-business-segment-reporting-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-2-business-segment-reporting-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 029 - Disclosure - Note 2 - Business Segment Reporting (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-3-accounts-receivable-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-3-accounts-receivable-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 030 - Disclosure - Note 3 - Accounts Receivable (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-4-revenue-recognition-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-4-revenue-recognition-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 031 - Disclosure - Note 4 - Revenue Recognition (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-4-revenue-recognition-revenues-by-revenue-class-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-4-revenue-recognition-revenues-by-revenue-class-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 032 - Disclosure - Note 4 - Revenue Recognition - Revenues by Revenue Class (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-4-revenue-recognition-reconciliation-of-the-cost-in-excess-of-billings-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-4-revenue-recognition-reconciliation-of-the-cost-in-excess-of-billings-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 033 - Disclosure - Note 4 - Revenue Recognition - Reconciliation of the Cost in Excess of Billings (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-5-income-taxes-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-5-income-taxes-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 034 - Disclosure - Note 5 - Income Taxes (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-6-impairment-of-longlived-assets-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-6-impairment-of-longlived-assets-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 035 - Disclosure - Note 6 - Impairment of Long-lived Assets (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-6-impairment-of-longlived-assets-goodwill-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-6-impairment-of-longlived-assets-goodwill-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 036 - Disclosure - Note 6 - Impairment of Long-lived Assets - Goodwill (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 037 - Disclosure - Note 7 - Stock-based Compensation (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation-stockbased-compensation-expense-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation-stockbased-compensation-expense-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 038 - Disclosure - Note 7 - Stock-based Compensation - Stock-based Compensation Expense (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation-stock-option-activity-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation-stock-option-activity-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 039 - Disclosure - Note 7 - Stock-based Compensation - Stock Option Activity (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-7-stockbased-compensation-restricted-stock-activity-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-7-stockbased-compensation-restricted-stock-activity-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 040 - Disclosure - Note 7 - Stock-based Compensation - Restricted Stock Activity (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-8-earnings-per-share-summary-of-earnings-per-share-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-8-earnings-per-share-summary-of-earnings-per-share-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 041 - Disclosure - Note 8 - Earnings Per Share - Summary of Earnings Per Share (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-9-debt-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-9-debt-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 042 - Disclosure - Note 9 - Debt (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 043 - Disclosure - Note 10 - Leases (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-supplemental-balance-sheet-information-related-to-leases-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-supplemental-balance-sheet-information-related-to-leases-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 044 - Disclosure - Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-lease-costs-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-lease-costs-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 045 - Disclosure - Note 10 - Leases - Lease Costs (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-supplemental-cash-flow-information-related-to-leases-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-supplemental-cash-flow-information-related-to-leases-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 046 - Disclosure - Note 10 - Leases - Supplemental Cash Flow Information Related to Leases (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-weightedaverage-lease-terms-and-discount-rates-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-weightedaverage-lease-terms-and-discount-rates-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 047 - Disclosure - Note 10 - Leases - Weighted-average Lease Terms and Discount Rates (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-10-leases-maturities-of-lease-liabilities-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-10-leases-maturities-of-lease-liabilities-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 048 - Disclosure - Note 10 - Leases - Maturities of Lease Liabilities (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-11-restricted-cash-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-11-restricted-cash-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 049 - Disclosure - Note 11 - Restricted Cash (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-11-restricted-cash-summary-of-cash-cash-equivalents-and-restricted-cash-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-11-restricted-cash-summary-of-cash-cash-equivalents-and-restricted-cash-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 050 - Disclosure - Note 11 - Restricted Cash - Summary of Cash, Cash Equivalents and Restricted Cash (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-14-treasury-stock-details-textual" roleURI="http://investors.permapipe.com/20220731/role/statement-note-14-treasury-stock-details-textual">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 051 - Disclosure - Note 14 - Treasury Stock (Details Textual) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
<link:roleType id="statement-note-14-treasury-stock-repurchases-of-common-stock-details" roleURI="http://investors.permapipe.com/20220731/role/statement-note-14-treasury-stock-repurchases-of-common-stock-details">
<link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 052 - Disclosure - Note 14 - Treasury Stock - Repurchases of Common Stock (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
</link:roleType>
</xsd:appinfo>
</xsd:annotation>
<xsd:element abstract="true" id="ppih_AbuDhabiLandLeaseMember" name="AbuDhabiLandLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_AccountsReceivableOutstandingForSeveralYears" name="AccountsReceivableOutstandingForSeveralYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_AllowanceForDoubtfulAccountsReceivableOutstandingForSeveralYears" name="AllowanceForDoubtfulAccountsReceivableOutstandingForSeveralYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_BillingsToDate" name="BillingsToDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="ppih_CanadianMortgageNoteMember" name="CanadianMortgageNoteMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_CommonStockIssuedUnderStockPlansNetOfSharesUsedForTaxWithholding" name="CommonStockIssuedUnderStockPlansNetOfSharesUsedForTaxWithholding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="ppih_CostsInExcessOfBillingsNet" name="CostsInExcessOfBillingsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_CostsIncurredForUncompletedContractsAnticipatedCollectionPeriod" name="CostsIncurredForUncompletedContractsAnticipatedCollectionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_CostsIncurredOnUncompletedContracts" name="CostsIncurredOnUncompletedContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_CustomerDepositsCurrent1" name="CustomerDepositsCurrent1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_DecreaseInOperatingLeaseExpense" name="DecreaseInOperatingLeaseExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="ppih_DecreaseInOperatingLeaseLiabilityCurrent" name="DecreaseInOperatingLeaseLiabilityCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_DecreaseInOperatingLeaseLiabilityNoncurrent" name="DecreaseInOperatingLeaseLiabilityNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_DecreaseInOperatingLeaseRightofuseAsset" name="DecreaseInOperatingLeaseRightofuseAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="ppih_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_EIBORMember" name="EIBORMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_EarnedRevenue" name="EarnedRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_EstimatedEarnings" name="EstimatedEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_ExpenseRelatedToEncashment" name="ExpenseRelatedToEncashment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="ppih_FinanceAndOperatingLeaseLiabilityMaturityTableTextBlock" name="FinanceAndOperatingLeaseLiabilityMaturityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_FinanceLeaseObligationsMember" name="FinanceLeaseObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_FinanceLeasePrincipalPaymentsAndInterestPaymentOnLiability" name="FinanceLeasePrincipalPaymentsAndInterestPaymentOnLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_FinanceLeasesAssetsMember" name="FinanceLeasesAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_FinanceVehicleEquipmentOneMember" name="FinanceVehicleEquipmentOneMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_FixedAssetsAcquiredUnderCapitalLeasesNonCash" name="FixedAssetsAcquiredUnderCapitalLeasesNonCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_ForeignRevolvingLinesMember" name="ForeignRevolvingLinesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_IncreaseDecreaseInContractWithCustomerAssetAndLiability" name="IncreaseDecreaseInContractWithCustomerAssetAndLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="ppih_IncreaseDecreaseInCustomerDeposits1" name="IncreaseDecreaseInCustomerDeposits1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="ppih_InterestRateForFinanceLease" name="InterestRateForFinanceLease" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="ppih_LandAndBuildingsInLebanonTennesseeMember" name="LandAndBuildingsInLebanonTennesseeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_LesseeFinanceLeaseAnnualRentIncreasePercentage" name="LesseeFinanceLeaseAnnualRentIncreasePercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="ppih_LesseeFinanceLeaseNumberOfOptionsToExtend" name="LesseeFinanceLeaseNumberOfOptionsToExtend" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
<xsd:element id="ppih_LesseeOperatingAndFinanceLeasesTextBlock" name="LesseeOperatingAndFinanceLeasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_LesseeOperatingLeaseAnnualPayment" name="LesseeOperatingLeaseAnnualPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="ppih_LineOfCreditFacilityCapitalExpendituresRestrictions" name="LineOfCreditFacilityCapitalExpendituresRestrictions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_LineOfCreditFacilityCommonStockRepurchaseRestrictions" name="LineOfCreditFacilityCommonStockRepurchaseRestrictions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_LineOfCreditFacilityCovenantTermsEBITDARatioMinimumUndrawnAvailability" name="LineOfCreditFacilityCovenantTermsEBITDARatioMinimumUndrawnAvailability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_LineOfCreditFacilityCovenantTermsEBITDARatioMinimumUndrawnAvailabilityForFiveConsecutiveDays" name="LineOfCreditFacilityCovenantTermsEBITDARatioMinimumUndrawnAvailabilityForFiveConsecutiveDays" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_LineOfCreditFacilityDefaultAdditionalInterestRate" name="LineOfCreditFacilityDefaultAdditionalInterestRate" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="ppih_LineOfCreditFacilityFixedChargeCoverageRatioRequired" name="LineOfCreditFacilityFixedChargeCoverageRatioRequired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_LineOfCreditFacilityGuaranteedAmount" name="LineOfCreditFacilityGuaranteedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_LongtermDebtCurrentMaturitiesExcludingNorthAmericanRevolvingLine" name="LongtermDebtCurrentMaturitiesExcludingNorthAmericanRevolvingLine" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="ppih_MortgageNoteSecuredByTennesseeManufacturingFacilityMember" name="MortgageNoteSecuredByTennesseeManufacturingFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_NorthAmericanLoanPartiesMember" name="NorthAmericanLoanPartiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_NumberOfMajorCustomers" name="NumberOfMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_OneCustomerMember" name="OneCustomerMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_OutsideCommissionsPayableCurrent" name="OutsideCommissionsPayableCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_PercentOfRevenueFromContractWithCustomerIncludingAssessedTax" name="PercentOfRevenueFromContractWithCustomerIncludingAssessedTax" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_ProceedsFromPaymentsForStockOptionsExercisedAndTaxesRelatedToRestrictedSharesVested" name="ProceedsFromPaymentsForStockOptionsExercisedAndTaxesRelatedToRestrictedSharesVested" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_PubliclyAnnouncedShareRepurchaseProgramMember" name="PubliclyAnnouncedShareRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_RetentionReceivable" name="RetentionReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="ppih_RetentionReceivableSettlementAmount" name="RetentionReceivableSettlementAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByEgyptSubsidiaries2Member" name="RevolvingCreditLinesUsedByEgyptSubsidiaries2Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByEgyptSubsidiariesMember" name="RevolvingCreditLinesUsedByEgyptSubsidiariesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByMiddleEasternSubsidiaries1Member" name="RevolvingCreditLinesUsedByMiddleEasternSubsidiaries1Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByMiddleEasternSubsidiaries2Member" name="RevolvingCreditLinesUsedByMiddleEasternSubsidiaries2Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByMiddleEasternSubsidiaries3Member" name="RevolvingCreditLinesUsedByMiddleEasternSubsidiaries3Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedByMiddleEasternSubsidiaries4Member" name="RevolvingCreditLinesUsedByMiddleEasternSubsidiaries4Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingCreditLinesUsedBySaudiArabianSubsidiaryMember" name="RevolvingCreditLinesUsedBySaudiArabianSubsidiaryMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_RevolvingLinesNorthAmericaMember" name="RevolvingLinesNorthAmericaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_SIBORMember" name="SIBORMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresOrRetirementsForTaxesWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresOrRetirementsForTaxesWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_SpecialtyPipingSystemsAndCoatingMember" name="SpecialtyPipingSystemsAndCoatingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeitedOrRetiredForTaxes" name="StockIssuedDuringPeriodSharesRestrictedStockAwardForfeitedOrRetiredForTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_StockRepurchaseProgramAuthorizedRepurchaseAmountUsed" name="StockRepurchaseProgramAuthorizedRepurchaseAmountUsed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="ppih_SupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" name="SupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_SupplementalCashFlowInformationRelatedLeasesTableTextBlock" name="SupplementalCashFlowInformationRelatedLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_TransferredAtPointInTimeUsingInputMethodMember" name="TransferredAtPointInTimeUsingInputMethodMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_TransferredAtPointInTimeUsingOutputMethodMember" name="TransferredAtPointInTimeUsingOutputMethodMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="ppih_WeightedaverageLeaseTermsAndDiscountRatesTableTextBlock" name="WeightedaverageLeaseTermsAndDiscountRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-lease-costs-details" name="statement-statement-note-10-leases-lease-costs-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-maturities-of-lease-liabilities-details" name="statement-statement-note-10-leases-maturities-of-lease-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-supplemental-balance-sheet-information-related-to-leases-details" name="statement-statement-note-10-leases-supplemental-balance-sheet-information-related-to-leases-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-supplemental-cash-flow-information-related-to-leases-details" name="statement-statement-note-10-leases-supplemental-cash-flow-information-related-to-leases-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-tables" name="statement-statement-note-10-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-10-leases-weightedaverage-lease-terms-and-discount-rates-details" name="statement-statement-note-10-leases-weightedaverage-lease-terms-and-discount-rates-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-11-restricted-cash-summary-of-cash-cash-equivalents-and-restricted-cash-details" name="statement-statement-note-11-restricted-cash-summary-of-cash-cash-equivalents-and-restricted-cash-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-11-restricted-cash-tables" name="statement-statement-note-11-restricted-cash-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-14-treasury-stock-repurchases-of-common-stock-details" name="statement-statement-note-14-treasury-stock-repurchases-of-common-stock-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-14-treasury-stock-tables" name="statement-statement-note-14-treasury-stock-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-4-revenue-recognition-reconciliation-of-the-cost-in-excess-of-billings-details" name="statement-statement-note-4-revenue-recognition-reconciliation-of-the-cost-in-excess-of-billings-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-4-revenue-recognition-revenues-by-revenue-class-details" name="statement-statement-note-4-revenue-recognition-revenues-by-revenue-class-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-4-revenue-recognition-tables" name="statement-statement-note-4-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-6-impairment-of-longlived-assets-goodwill-details" name="statement-statement-note-6-impairment-of-longlived-assets-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-6-impairment-of-longlived-assets-tables" name="statement-statement-note-6-impairment-of-longlived-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-7-stockbased-compensation-restricted-stock-activity-details" name="statement-statement-note-7-stockbased-compensation-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-7-stockbased-compensation-stock-option-activity-details" name="statement-statement-note-7-stockbased-compensation-stock-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-7-stockbased-compensation-stockbased-compensation-expense-details" name="statement-statement-note-7-stockbased-compensation-stockbased-compensation-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-7-stockbased-compensation-tables" name="statement-statement-note-7-stockbased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-8-earnings-per-share-summary-of-earnings-per-share-details" name="statement-statement-note-8-earnings-per-share-summary-of-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-note-8-earnings-per-share-tables" name="statement-statement-note-8-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="ppih_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>

Top
Filing Submission 0001437749-22-021946   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sat., May 4, 5:04:31.1am ET