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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 / IssuerSymbol†
  (Prices)  		Latest Filings     SIC
 (Latest)
In ascending orderAs: Filer    Re: Issuer    
Active in the Past Year (since 9/25/22) in Industry 3661:
9/21/23
 AL
  		ADTRAN Holdings, Inc. [ formerly Adtran Inc. ]  ADTN  8-K/A  4 New Filing in the Past Week!  3661
9/18/23
 NC
  		Akoustis Technologies, Inc.  AKTS  ARS New Filing in the Past Week!  4  3661
9/19/23
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  		Audiocodes Ltd.  AUDC  6-K New Filing in the Past Week!  SC 13G  3661
9/22/23
 MD
  		Ciena Corp.  CIEN  10-Q  4 New Filing in the Past Week!  3661
8/23/23
 MN
  		Clearfield, Inc.  CLFD  10-Q  4  3661
9/18/23
 UT
  		Clearone Inc.  CLRO  8-K  4 New Filing in the Past Week!  3661
9/13/23
 TX
  		DZS Inc. [ formerly Dasan Zhone Solutions Inc. ]  DZSI  8-K  4  3661
8/30/23
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  		Fabrinet  FN  10-K  4  3661
7/24/23
 CA
  		Franklin Wireless Corp.  FKWL  8-K  SC 13G/A  3661
8/7/23
 IL
  		Gustafsson Anders  4  —  3661
9/7/23
 CA
  		Infinera Corp.  INFN  S-3ASR  4  3661
9/7/23
 NH
  		Minim, Inc. [ formerly Zoom Telephonics, Inc. ]  MINM  8-K  3  3661
9/6/23
 CA
  		Netgear, Inc.  NTGR  S-8  SC 13G  3661
6/20/23
 IL
  		Notebaert Richard C  4  —  3661
9/22/23
 MN
  		Pineapple Energy Inc. [ formerly Pineapple Holdings, Inc. ]  PEGY  8-K  4 New Filing in the Past Week!  3661
9/18/23
 CA
  		Sonim Technologies Inc.  SONM  8-K New Filing in the Past Week!  4 New Filing in the Past Week!  3661
5/10/23
 FL
  		Touchpoint Group Holdings Inc. [ formerly One Horizon Group, Inc. ]  15-12G  SC 13G OLD  3661
9/18/23
 TX
  		Voip-pal.com Inc.  VPLM  10-Q  4 New Filing in the Past Week!  3661
 — 18 — 
 
Active, but no longer SEC-assigned to, nor self-declared in, Industry 3661:
9/20/23
 CA
  		Arrowhead Pharmaceuticals, Inc.  ARWR  8-K  4 New Filing in the Past Week!  2834
9/8/23
 NC
  		Avaya Holdings Corp.  10-Q  SC 13D/A  7372
2/28/23
 FL
  		B2Digital, Inc.  BTDG  8-K  SC 13D  7997
More...  Please Sign In to list all of them. 
________
 †  Market: Symbols source:  SEC
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 — Prices:  Nasdaq
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, NYSE
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  or  
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.
 

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 [2023] 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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