What is NAICS code 517111?

NAICS 517111 is the industry "Wired Telecommunications Carriers" in the North American Industry Classification System, part of the Information sector (51).

What is the size standard for NAICS 517111?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 517111 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 517111: Wired Telecommunications Carriers

NAICS code 517111 is the industry for wired telecommunications carriers in the Information sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 517111

Federal agencies obligated $1.5B on contracts under NAICS 517111 from FY2024 to FY2026, including $435M in FY2026. The biggest buyers were the Department of Defense, the Department of Agriculture, the Department of Transportation. The largest contractors were CACI, Inc. - Federal, Verizon Business Network Services LLC, At&T Enterprises, LLC.

See the full breakdown: government wired telecommunications carriers contracts, who wins and who buys.

Open government bids for NAICS 517111

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

FY27 Copper Cable Lease Renewal
Dept of Defense · Presolicitation · NAICS 517111 · CO · No Set aside used
Posted Oct 30, 2026 · Responses due Nov 13, 2026
Commercial Television Services IDIQ
Dept of Defense · Combined Synopsis/Solicitation · NAICS 517111 · NC · No Set aside used
Posted Oct 30, 2026 · Responses due Nov 12, 2026
Local SIP Voice Trunk Telecommunications Services (Base plus 4 Option Years)
Dept of Defense · Sources Sought · NAICS 517111 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 12, 2026

See all 3 open bids under NAICS 517111

Small business size standard for NAICS 517111

To bid on small business set-aside contracts under NAICS 517111, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 5171

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 517111?: NAICS 517111 is the industry "Wired Telecommunications Carriers" in the North American Industry Classification System, part of the Information sector (51).
What is the size standard for NAICS 517111?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 517111 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 517111?: Yes. Federal agencies obligated $1.5B on contracts under NAICS 517111 from FY2024 to FY2026, and 3 notices are open right now.