What is NAICS code 335931?

NAICS 335931 is the industry "Current-Carrying Wiring Device Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).

What is the size standard for NAICS 335931?

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 335931 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 335931: Current-Carrying Wiring Device Manufacturing

NAICS code 335931 is the industry for current-carrying wiring device manufacturing in the Manufacturing 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 335931

Federal agencies obligated $613M on contracts under NAICS 335931 from FY2024 to FY2026, including $187M in FY2026. The biggest buyers were the Department of Defense, the Department of Transportation, the Department of Energy. The largest contractors were Ace Electronics Defense Systems, LLC, Bae Systems Land & Armaments L.P., DRS Network & Imaging Systems LLC.

See the full breakdown: government current-carrying wiring device manufacturing contracts, who wins and who buys.

Open government bids for NAICS 335931

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

59--CABLE ASSEMBLY,SPECIALClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335931
Posted Nov 1, 2026 · Responses due Nov 9, 2026
61--POWER SUPPLY SUBASSEMB
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335931 · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Posted Nov 1, 2026 · Responses due Nov 16, 2026
59--TERMINAL,LUGClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335931
Posted Nov 1, 2026 · Responses due Nov 9, 2026
POWER SUPPLYClosing soon
Dept of Defense · Solicitation · NAICS 335931
Posted Oct 30, 2026 · Responses due Nov 2, 2026
POWER SUPPLY
Dept of Defense · Solicitation · NAICS 335931
Posted Oct 30, 2026 · Responses due Dec 29, 2026

See all 9 open bids under NAICS 335931

Small business size standard for NAICS 335931

To bid on small business set-aside contracts under NAICS 335931, 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 3359

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 335931?: NAICS 335931 is the industry "Current-Carrying Wiring Device Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).
What is the size standard for NAICS 335931?: 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 335931 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 335931?: Yes. Federal agencies obligated $613M on contracts under NAICS 335931 from FY2024 to FY2026, and 9 notices are open right now.