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Plumbing, Heating and Air-Conditioning
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SIC Industry 1711   —   NAICS² Industries  238210,  238220  &  238910

SIC [1987]  →  Construction  →  Special Trade Contractors  →  Plumbing, Heating, Air-Conditioning  →  Plumbing, heating, air-conditioning



12  Registrants
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  ·   List them ordered by how active they’ve been



As Of     Filer / IssuerLatest Filings     SIC
 (Latest)
In ascending orderAs: Filer    Re: Issuer    
Active, but has moved from self-declared (non-SIC [SEC]) Industry 1711:
4/12/21
 TX
 
Comfort Systems USA Inc.  DEF 14A  SC 13G/A  1731
4/8/21
 VA
 
Free Flow, Inc.  10-K  3 OLD  5531
 — 2 — 
 
Not Active (in the Past Year) as a Registrant:
All Filings are OLD    
More...  List all, including 10 Inactive Registrants 
 



Businesses & Products of SIC Industry 1711
  • Air system balancing and testing-contractors
  • Air-conditioning, with or without sheet metalwork-contractors
  • Boiler erection and installation-contractors
  • Drainage system installation, cesspool and septic tank-contractors
  • Dry well construction, cesspool-contractors
  • Fuel oil burner installation and servicing-contractors
  • Furnace repair-contractors
  • Gasline hookup-contractors
  • Heating equipment installation-contractors
  • Heating, with or without sheet metalwork-contractors
  • Lawn sprinkler system installation-contractors
  • Mechanical contractors
  • Piping, plumbing-contractors
  • Plumbing and heating-contractors
  • Plumbing repair-contractors
  • Plumbing, with or without sheet metalwork-contractors
  • Refrigeration and freezer work-contractors
  • Sewer hookups and connections for buildings-contractors
  • Sheet metalwork combined with heating or air-conditioning-contractors
  • Solar heating apparatus-contractors
  • Sprinkler system installation-contractors
  • Steam fitting-contractors
  • Sump pump installation and servicing-contractors
  • Ventilating work, with or without sheet metalwork-contractors
  • Water pump installation and servicing-contractors
  • Water system balancing and testing-contractors


Description of SIC Industry 1711 — Plumbing, Heating and Air-Conditioning
 
Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work.  Sheet metalwork performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included here, but roofing and sheet metalwork contractors are classified in Industry 1761.  Special trade contractors primarily engaged in electrical work are classified in Industry 1731.


²  North American Industry Classification System (NAICS)

SIC [1987] Industry 1711     ⇒     NAICS [2012] Industry Codes

NAICS Code  North American Industry    SIC Codes
In ascending order
238210Electrical Contractors and Other Wiring Installation Contractors  ⇒  1711,  1731
238220Plumbing, Heating, and Air-Conditioning Contractors  ⇒  1711,  179117967699
238910Site Preparation Contractors  ⇒  10811241138914811629,
1711,  1794179517997353
 
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