Free EDGAR tools / SIC codes / 3661

SIC 3661 — Telephone & Telegraph Apparatus

SIC code 3661 is the SEC's Standard Industrial Classification for Telephone & Telegraph Apparatus, part of the Manufacturing division. Filings from companies under this code are reviewed by the SEC's Office of Manufacturing. There are currently 10 listed companies (of 211 EDGAR registrants past and present) classified under 3661. Live data from SEC EDGAR, free, no login.

Listed companies in SIC 3661

CompanyTickerExchangeRevenue (TTM)
CIENA CORPCIENNYSE$4.4B
FabrinetFNNYSE$3.5B
ADTRAN Holdings, Inc.ADTNNasdaq$1.0B
NETGEAR, INC.NTGRNasdaq$700.0M
AUDIOCODES LTDAUDCNasdaq$242.2M
Clearfield, Inc.CLFDNasdaq$181.3M
DNA X, Inc.SONMNasdaq$59.1M
FRANKLIN WIRELESS CORPFKWLNasdaq$51.9M
FiEE, Inc.FIEENasdaq$2.6M
CLEARONE INCCLRONasdaq

Companies currently listed on a major exchange, largest trailing-twelve-month revenue first (companies without extracted XBRL revenue sort last). Each links to its filings and financials.

Related SIC codes (major group 36)

CodeIndustryListed companies
3600Electronic & Other Electrical Equipment (No Computer Equip)7
3612Power, Distribution & Specialty Transformers
3613Switchgear & Switchboard Apparatus2
3620Electrical Industrial Apparatus10
3621Motors & Generators6
3630Household Appliances6
3634Electric Housewares & Fans4
3640Electric Lighting & Wiring Equipment7
3651Household Audio & Video Equipment9
3652Phonograph Records & Prerecorded Audio Tapes & Disks
3663Radio & Tv Broadcasting & Communications Equipment21
3669Communications Equipment, NEC12
3670Electronic Components & Accessories7
3672Printed Circuit Boards12
3674Semiconductors & Related Devices101
3677Electronic Coils, Transformers & Other Inductors1
3678Electronic Connectors3
3679Electronic Components, NEC13
3690Miscellaneous Electrical Machinery, Equipment & Supplies46
3695Magnetic & Optical Recording Media

Track filings from these companies

Every company above links to its edgar.tools page with filings, financials, and ownership. To watch the whole industry's filings in real time, open the live filing stream — or verify the classification at the source via EDGAR's browse-by-SIC search.

SIC 3661 API

Free JSON · no key · no login
GET https://app.edgar.tools/sic/3661.json

Code definition plus the live company list.