What is NAICS code 335312?

NAICS 335312 is the industry "Motor and Generator Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).

What is the size standard for NAICS 335312?

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 335312 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 335312: Motor and Generator Manufacturing

NAICS code 335312 is the industry for motor and generator 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 335312

Federal agencies obligated $987M on contracts under NAICS 335312 from FY2024 to FY2026, including $296M in FY2026. The biggest buyers were the Department of Defense, the Department of Transportation, the Department of Homeland Security. The largest contractors were Cummins Power Generation Inc., PD Power Systems, LLC, Ge Aviation Systems LLC.

See the full breakdown: government motor and generator manufacturing contracts, who wins and who buys.

Open government bids for NAICS 335312

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

61--MOTOR,DIRECT CURREN
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335312
Posted Nov 1, 2026 · Responses due Nov 12, 2026
61--MOTOR,TORQUE
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335312 · Small Business Set Aside - Total
Posted Nov 1, 2026 · Responses due Nov 12, 2026
59--RESOLVER,ELECTRICAL,LI
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335312 · Small Business Set Aside - Total
Posted Nov 1, 2026 · Responses due Nov 16, 2026
61--MOTOR-TACHOMETER GENER
Dept of Defense · Combined Synopsis/Solicitation · NAICS 335312
Posted Oct 30, 2026 · Responses due Nov 10, 2026
GOVERNOR,MOTOR
Dept of Defense · Solicitation · NAICS 335312
Posted Oct 30, 2026 · Responses due Nov 30, 2026

See all 10 open bids under NAICS 335312

Small business size standard for NAICS 335312

To bid on small business set-aside contracts under NAICS 335312, 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 3353

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 335312?: NAICS 335312 is the industry "Motor and Generator Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).
What is the size standard for NAICS 335312?: 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 335312 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 335312?: Yes. Federal agencies obligated $987M on contracts under NAICS 335312 from FY2024 to FY2026, and 10 notices are open right now.