Menu Close
SIC Codes
SIC Codes SIC Code Lookup / Directory What is a SIC Code? History of SIC Codes Structure of SIC Codes SIC 6-Digit Codes SIC Code FAQ
SIC vs NAICS
Codes
What Is a
SIC Code Append
Business List By
SIC Code
NAICS Codes
NAICS Codes NAICS Code Lookup / Directory What is a NAICS Code? History of NAICS Codes Structure of NAICS Codes NAICS 8-Digit Codes NAICS Code FAQ
SIC vs NAICS
Codes
Business List By
NAICS Code
Why Do I Need a
NAICS Code
Code Systems
Industry Codes
SIC NAICS SIC 6-Digit NAICS 8-Digit ISIC (International) NACE UKSIC ANZSIC SCIAN Français SCIAN Español
Occupational & Educational Codes
SOC CIP
Product Codes
NAPCS CPA HS CPC CN
Specialized Business Codes
CAGE DUNS GICS
What Is a Classification System SIC vs NAICS Codes About Our Business Data How It Works
Code Conversions
Code Conversions SIC to NAICS Code NAICS to SIC Code ISIC (International) to NAICS Code NAICS to ISIC (International) Code
SIC vs NAICS
Codes
Contact Us
Register Your Business Login
My Profile
Das​h​board Prev​iew Busi​ness Det​ails Indu​stry Co​des S​IC & NAI​CS Ba​dge
Lo​go​ut
Products & Services
Business Lists
USA Business List Canada Business List Business List By SIC Code Business List By NAICS Code
Databases
USA Business Database Canada Business Database
Email Lists
Executive Email Lists Email Lists By Industry
Data Enhancement & Appends
SIC Code Append NAICS Code Append Clean & Update Data Data Append FAQ
For More Specialized Data and Services, Visit our Business List Request Page
About Our Business Data Business List Pricing How It Works Why SICCODE
Why SICCODE
More
More Info How It Works SIC vs NAICS Codes Blog About Us Contact Us
About Our
Business Data
Business List
Pricing
Trending Industries
 
SIC
All
NAICS
Companies
SIC 6-Digit
NAICS 8-Digit
ISIC (International)
SOC (Occupations)
SIC CODE 3661
SIC Code 3661 - Telephone and Telegraph Apparatus

Business Lists and Databases Available for Marketing and Research - Direct Mailing Emailing Calling

Buy Business List

SIC Code 3661 - Telephone and Telegraph Apparatus

Government Level - SIC 4-Digit
Description Hierarchy SIC 6-Digit Industry Examples Cross-References Companies Alternative SIC Codes Related Code Systems

Business Lists and Databases Available for Marketing and Research

Total Verified Companies: 160
Contact Emails: 3,495
Company Websites: 96
Phone Numbers: 130
Business Addresses: 160
Companies with Email: 121
Buy Business List
NAICS CODE 3661
Reach new customers, connect with decision makers, and grow your business. Pricing from $0.05 to $0.30 per lead.
Last Updated: 04/30/2025

About Database:

  • Continuously Updated Business Database
  • Phone-Verified Twice Annually
  • Monthly NCOA Processing via USPS
  • Compiled using national directory assistance data, annual reports, SEC filings, corporate registers, public records, new business phone numbers, online information, government registrations, legal filings, telephone verification, self-reported business information, and business directories.

Every purchased list is personally double verified by our Data Team using complex checks and scans.

Ideal for: Direct Mailing Email Campaigns Calling Market Research ‐ Free Sample & Report, Custom Lists, and Expert Support — All Included
Looking for more companies? See NAICS 366 - Communications Equipment - 2,008 companies, 84,703 emails.

Description

Establishments primarily engaged in manufacturing wire telephone and telegraph equipment. Included are establishments manufacturing modems and other telephone and telegraph communications interface equipment. Source: OSHA.gov

SIC Code 3661 - Telephone and Telegraph Apparatus is a final level code of the “Manufacturing” Division. There are 160 companies classified in this industry in the USA with an estimated employment of 12029 people.

Parent Category - 3-digit Level (less specific)

  • 366 - Communications Equipment

Marketing: SIC Codes (6-digit) for Telephone and Telegraph Apparatus

Access In-depth Industry Analysis: Reach out to companies and executives within these industries.

  • Industry Companies Available
  • 3661-01 - Telephone Auto Answer Equipment (Manufacturing) 3
  • 3661-02 - Telephone Equipment & Systems (Manufacturing) 53
  • 3661-03 - Telephone Booths (Manufacturing) 19
  • Industry Companies Available
  • 3661-04 - Modems & Set-Tops (Manufacturing) 3
  • 3661-98 - Telephone & Telegraph Apparatus (Manufacturing) 82

Industry Executives

Would you like to email executives in SIC Code 3661 - Telephone and Telegraph Apparatus? Below are some of the common job titles available to be targeted.

  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

For specific job title targeting, please provide details in the business list request form.

Executive Email List

Industry Examples

Common types of examples within SIC Code 3661 - Telephone and Telegraph Apparatus are:

  • Auto-transformers for telephone switchboards
  • Carrier equipment, telephone and telegraph
  • Communications headgear, telephone
  • Data sets, telephone and telegraph
  • Facsimile equipment
  • Headsets, telephone
  • Message concentrators
  • Modems
  • Multiplex equipment, telephone and telegraph
  • 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

Industry Image

Example photo for industry SIC 3661 - Telephone and Telegraph Apparatus. This image represents an activity or product found in this industry.

SIC Code 3661 - Telephone and Telegraph Apparatus

Cross-References

For some business types, there may be a similar industry to SIC Code 3661 - Telephone and Telegraph Apparatus that is a better classification match. Establishments primarily engaged in manufacturing cellular radio telephones are classified in Industry 3663.

Companies

SICCODE.com compiles comprehensive business data and executive contact leads for businesses within SIC Code 3661 - Telephone and Telegraph Apparatus. Some of the leading and most notable companies are listed below. To order a list of companies within SIC Code 3661 - Telephone and Telegraph Apparatus for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

  • Northrop Grumman
  • GAI Tronics
  • Leviton Manufacturing Co
  • Te Connectivity
  • Te Connectivity
  • Lucent Technologies
  • Comnet Systems
  • Lucent Technologies
  • Tekelec
  • Polycom Inc
More Companies
Buy Business List

Alternative SIC Code Categories for SIC 3661

For business marketing and targeting purposes, please refer to the SIC Codes 6-Digit.

7-digit SIC

  • 3661001Telephone & Telegraph Apparatus (manufacturers)
  • 3661002Telephones & Telephone Apparatus
  • 3661003Fiber Optics Communications Equipment
  • 3661004Autotransformers For Telephone Switchboards
  • 3661005Telephone Equipment & Systems (manufacturers)
  • 3661006Telephone Booths (manufacturers)
  • 3661007Communication Headgear, Telephone
  • 3661008Modems & Set-Tops (manufacturers)
  • 3661009Facsimile Equipment
  • 3661010Headsets, Telephone
  • 3661011Modems
  • 3661012Switching Equipment, Telephone
  • 3661013Telephone Auto Answer Equipment (manufacturers)
  • 3661014Telephone Central Office Equipment, Dial Or Manual
  • 3661015Telephone Dialing Devices, Automatic
  • 3661016Telephone Sets, All Types Except Cellular Radio)
  • 3661017Telephone Station Equipment & Parts, Wire
  • 3661018Telephones-Sound Powered
  • 3661019Toll Switching Equipment, Telephone
  • 3661020Telegraph & Related Apparatus
  • 3661021Pox Equipment, Manual Or Automatic
  • 3661022Telegraph Or Telephone Carrier & Repeater Equipment
  • 3661023Telegraph Station Equipment & Parts, Wire
  • 3661024Carrier Equipment, Telephone Or Telegraph
  • 3661025Data Sets, Telephone Or Telegraph
  • 3661026Electronic Secretary
  • 3661027Message Concentrators
  • 3661028Multiplex Equipment, Telephone & Telegraph
  • 3661029Switchboards, Telephone Or Telegraph
  • 3661030Telephone Cords, Jacks, Adapters, Etc

8-digit SIC

  • 36610000Telephone And Telegraph Apparatus
  • 36610100Telephones And Telephone Apparatus
  • 36610101Autotransformers For Telephone Switchboards
  • 36610102Communication Headgear, Telephone
  • 36610103Facsimile Equipment
  • 36610104Headsets, Telephone
  • 36610105Modems
  • 36610106Switching Equipment, Telephone
  • 36610107Telephone Answering Machines
  • 36610108Telephone Central Office Equipment, Dial Or Manual
  • 36610109Telephone Dialing Devices, Automatic
  • 36610110Telephone Sets, All Types Except Cellular Radio
  • 36610111Telephone Station Equipment And Parts, Wire
  • 36610112Telephones, Sound Powered (no Battery)
  • 36610114Toll Switching Equipment, Telephone
  • 36610200Telegraph And Related Apparatus
  • 36610201Pbx Equipment, Manual Or Automatic
  • 36610203Telegraph Or Telephone Carrier And Repeater Equipment
  • 36610204Telegraph Station Equipment And Parts, Wire
  • 36619901Carrier Equipment, Telephone Or Telegraph
  • 36619902Data Sets, Telephone Or Telegraph
  • 36619903Electronic Secretary
  • 36619904Message Concentrators
  • 36619905Multiplex Equipment, Telephone And Telegraph
  • 36619906Switchboards, Telephone Or Telegraph
  • 36619907Telephone Cords, Jacks, Adapters, Etc.
  • 36619908Fiber Optics Communications Equipment

Related Code Systems

There are alternative classification systems to using SIC Codes. A common and highly detailed business classification system can be found with the NAICS Code system. The NAICS Code system is used by the US Government for statistical classification, compilation, and analysis. To explore and search within the NAICS Code system, please use the link(s) below.

NAICS Codes

  • 334210-Telephone Apparatus Manufacturing
  • 334418-Printed Circuit Assembly (Electronic Assembly) Manufacturing

ISIC Codes

  • 2610-Manufacture Of Electronic Components And Boards
  • 2630-Manufacture Of Communication Equipment

Since 1998

SICCODE.com Business Data
Powering the World's Top Companies

Build Your Business List

Discover Our Services

Business Lists
USA Business List Canada Business List Business List By SIC Code Business List By NAICS Code Build Your Business List
Databases
USA Business Database Canada Business Database
Email Lists
Executive Email Lists Email Lists By Industry
Data Enhancement & Appends
SIC Code Append NAICS Code Append Clean & Update Data Data Append FAQ

What Makes Us Stand Out

Our commitment to quality and service excellence keeps clients coming back.
Trust SICCODE.com for your business lists.

Classification Research Tools

SIC Codes Lookup NAICS Codes Lookup NAICS Code 2022 Update SIC Codes vs NAICS Codes Trending Industries
SIC & NAICS Code Business Registration About Us Contact Us Terms & Conditions Privacy Policy Blog

Industry Classification Experts

Copyright 2025 © SICCODE.com