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Telephone and Telegraph Apparatus
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SIC Industry 3661   —   NAICS² Industries  334210  &  334418

SIC [1987]  →  Manufacturing  →  Electronic & Other Electric Equipment  →  Communications Equipment  →  Telephone & telegraph apparatus §



264  Registrants
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  ·   List them ordered by how active they’ve been   ·   List only Registrants currently in this Industry



As Of     Filer / IssuerLatest Filings     SIC
 (Latest)
In ascending orderAs: Filer    Re: Issuer    
Active (in the Past Year, since 10/2/21) in Industry 3661:
7/6/22
 AL
 
Acorn Holdco, Inc.  425  UPLOAD  3661
9/30/22
 AL
 
ADTRAN Holdings, Inc. [ formerly Adtran Inc. ]  8-K/A New Filing in the Past Week!  SC 13G  3661
9/26/22
 NC
 
Akoustis Technologies, Inc.  DEFA14A New Filing in the Past Week!  4  3661
9/14/22
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Audiocodes Ltd.  6-K  SC 13G/A  3661
9/19/22
 NC
 
Avaya Holdings Corp.  8-K  4  7372
9/22/22
 MD
 
Ciena Corp.  10-Q  4  3661
9/8/22
 MN
 
Clearfield, Inc.  10-Q  SC 13G  3661
9/22/22
 UT
 
Clearone Inc.  8-K  4  3661
8/4/22
 TX
 
DZS Inc. [ formerly Dasan Zhone Solutions Inc. ]  10-Q  4  3661
9/7/22
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Fabrinet  10-K  4  3661
9/13/22
 CA
 
Franklin Wireless Corp.  10-K  4  3661
5/10/22
 IL
 
Gustafsson Anders  4  —  3661
9/7/22
 CA
 
Infinera Corp.  8-K  4  3661
9/13/22
 NH
 
Minim, Inc. [ formerly Zoom Telephonics, Inc. ]  10-Q  4  3661
8/17/22
 CA
 
Netgear, Inc.  10-Q  4  3661
6/22/22
 IL
 
Notebaert Richard C  4  —  3661
9/22/22
 MN
 
Pineapple Energy Inc. [ formerly Pineapple Holdings, Inc. ]  8-K  4  3661
9/8/22
 CA
 
Plantronics Inc./CA  15-12G  SC 13G/A  3661
9/13/22
 MN
 
SharpLink Gaming Ltd. [ formerly Mer Telemanagement Solutions Ltd. ]  6-K  UPLOAD  7372
9/28/22
 TX
 
Sonim Technologies Inc.  DEFA14A New Filing in the Past Week!  3/A  3661
More...  Please Sign In to list all of them. 
 



Businesses & Products of SIC Industry 3661
  • Autotransformers for telephone switchboards
  • Carrier equipment, telephone and telegraph
  • Communication headgear, telephone
  • Data sets, telephone and telegraph
  • Facsimile equipment
  • Headsets, telephone
  • Message concentrators
  • Modems
  • Multiplex equipment, telephone and telegraph
  • PBX equipment, manual and automatic
  • Switchboards, telephone and telegraph
  • Switching equipment, telephone
  • Telegraph office switching equipment
  • Telephone answering machines
  • Telephone central office equipment, dial and manual
  • Telephone dialing devices, automatic
  • Telephone sets, except cellular radio telephone
  • Telephone station equipment and parts, wire
  • Telephones, sound powered (no battery)
  • Telephones, underwater
  • Toll switching equipment, telephone


Description of SIC Industry 3661 — Telephone and Telegraph Apparatus §
 
Establishments primarily engaged in manufacturing wire telephone and telegraph equipment.  Included are establishments manufacturing modems and other telephone and telegraph communications interface equipment.  Establishments primarily engaged in manufacturing cellular radio telephones are classified in Industry 3663.


§  SEC Filings-Review Office (FRO) Assigned Filings-Review Responsibility
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OM – Office of Manufacturing


²  North American Industry Classification System (NAICS)

SIC [1987] Industry 3661     ⇒     NAICS [2012] Industry Codes

NAICS Code  North American Industry    SIC Codes
In ascending order
334210Telephone Apparatus Manufacturing  ⇒  3661
334418Printed Circuit Assembly (Electronic Assembly) Manufacturing  ⇒  3577,  3661,  3679
 

Global Industry Classification Standard    S&P DJI  /  MSCI 

SIC [SEC] Industry 3661            GICS [2018] Sector  →  Sub-Industry  
Assigned by the SEC
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Assigned by S&P Dow Jones Indices / MSCI

  Sector   #    →    Sub-Industry   #        
 
Information Technology   11  Communications Equipment   5
Electronic Manufacturing Services   1
Industrials   1  
 
____________
 # of Major-Index Companies in both this SIC Industry and the GICS Sector / Sub-Industry.
 

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