NAICS 335312: Motor and Generator Manufacturing

Motor and Generator Manufacturing is NAICS code 335312. A business is small under it with 1,250 employees or fewer. 34 federal contracts are open on SAM.gov under this code right now.

SBA size standard
1,250 employees or fewer
Open contracts now
34
Federal spending, FY2025
$270.5 million
Share won by small businesses
49%
Small businesses registered
665

Open federal contracts for motor and generator manufacturing

Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.

  • GENERATOR, 400 AMP, DC

    Dept of Defense · Defense Logistics Agency

    ✦ DLA Land Warren issued a pre-solicitation notice for a DC generator (NSN 6115-01-562-6264, part 123861631-1), restricted to approved source C.E. Niehoff (CAGE 76761) or its…

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • PANEL,CONTROL,ELECT, IN REPAIR/MODIFICATION OF

    Dept of Defense · Dept of the Navy

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • CONTACTOR,MAGNETIC

    Dept of Defense · Dept of the Navy

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • MOTOR ALTERNATING, CURRENT

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic componentsSmall business

    Due in 1 dayOct 5, 2026

  • PLATE,SEAL,GENERATOR

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic componentsSmall business

    Due in 3 daysOct 7, 2026

  • Resolver, Electrical

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic components

    Due in 5 daysOct 9, 2026

See all 34 open contracts under NAICS 335312 →

What NAICS 335312 covers

The Census Bureau's NAICS index lists these kinds of work under 335312:

  • Armature rewinding on a factory basis
  • Armatures, industrial, manufacturing
  • Coils for motors and generators manufacturing
  • Collector rings for motors and generators manufacturing
  • Commutators, electric motor, manufacturing
  • Condensers, synchronous, electric, manufacturing
  • Converters, phase and rotary, electrical equipment, manufacturing
  • Dynamos, electric (except automotive), manufacturing
  • Dynamotors manufacturing
  • Exciter assemblies, motor and generator, manufacturing
  • Fractional horsepower electric motors manufacturing
  • Frequency converters (i.e., electric generators) manufacturing
  • Generating apparatus and parts, electrical (except internal combustion engine and welding), manufacturing
  • Generator sets, prime mover (except turbine generator sets), manufacturing

The index lists 38 entries for this code in all.

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 335312

To count as a small business for a contract assigned NAICS 335312, your business must have 1,250 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys motor and generator manufacturing

Agencies that awarded the most under NAICS 335312 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Defense Logistics Agency$321.1 million
Department of the Navy$263.3 million
Department of the Army$184.2 million
Department of the Air Force$81.5 million
Federal Aviation Administration$36.4 million
Department of State$25.9 million
Federal Emergency Management Agency$18.7 million
National Aeronautics and Space Administration$18.5 million

Open notices right now come from Dept of Defense (159).

Set-asides on open 335312 contracts

  • No set-aside (full and open): 94
  • Total small business set-aside: 49
  • Service-disabled veteran-owned set-aside: 12
  • EDWOSB set-aside: 2
  • HUBZone set-aside: 2

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

665 businesses with active SAM.gov registrations are rated small under NAICS 335312, most of them in California (84), Florida (76), Texas (72), Georgia (34) and Virginia (24). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 335312 by year

Fiscal yearContract obligations
FY2024$420.9 million
FY2025$270.5 million
FY2026$285 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 335312?

335312 is the 2022 NAICS code for Motor and Generator Manufacturing. The Census Bureau's index lists work such as armature rewinding on a factory basis, armatures, industrial, manufacturing, coils for motors and generators manufacturing under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 335312?

1,250 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for motor and generator manufacturing?

Yes. 34 federal contract opportunities under NAICS 335312 are open on SAM.gov right now. Agencies obligated about $270.5 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 335312 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.