NAICS Code 335312: Motor and Generator Manufacturing
National industry
SBA small business size standard: 1,250 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing electric motors (except internal combustion engine starting motors), power generators (except battery charging alternators for internal combustion engines), and motor generator sets (except turbine generator set units). This industry includes establishments rewinding armatures on a factory basis.
Government contracts for this product: PSC 6115 Generators and Generator Sets, Electrical
Code facts
- Part of
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-
31-33
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335
-
3353
- 33531
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3353
-
335
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31-33
- Contract awards
- 1,604 In the last 12 months
- Contract obligations
- $289,165,333 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 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
- Generators and sets, electric (except internal combustion engine, welding, turbine generator sets), manufacturing
- Generators for gas-electric and oil-electric vehicles, manufacturing
- Generators for storage battery chargers (except internal combustion engine and aircraft) manufacturing
- Integral horsepower electric motors manufacturing
- Inverters, rotating electrical, manufacturing
- Land transportation motors and generators manufacturing
- Motor generator sets (except automotive, turbine generator sets) manufacturing
- Motors, electric (except engine starting motors, gearmotors, outboard), manufacturing
- Phase converters (i.e., electrical equipment) manufacturing
- Power generators manufacturing
- Prime mover generator sets (except turbine generator sets) manufacturing
- Railway motors and control equipment, electric, manufacturing
- Resolvers manufacturing
- Rotor retainers and housings manufacturing
- Rotors (i.e., for motors) manufacturing
- Servomotors manufacturing
- Slip rings for motors and generators manufacturing
- Stators for motors manufacturing
- Storage battery chargers (except internal combustion engine-type) manufacturing
- Synchronous condensers and timing motors, electric, manufacturing
- Synchronous motors manufacturing
- Timing motors, synchronous, electric, manufacturing
- Torque motors, electric, manufacturing
Show all 37
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Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $592,582 |
| FY2026 | $373,405,010 |
| FY2025 | $289,165,333 |
| FY2024 | $472,536,661 |
| FY2023 | $649,223,118 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Cummins Power Generation Inc. | $131,650,252 | |
| 2 | GE Aviation Systems LLC | $35,562,334 | |
| 3 | Discovery Energy, LLC | $27,488,838 | |
| 4 | ABB Inc. | $17,019,700 | |
| 5 | Hamilton Sundstrand Corporation | $7,037,015 | |
| 6 | PD Power Systems, LLC | $6,881,799 | |
| 7 | Vincorion LLC | $5,376,015 | |
| 8 | Pioneer Industries, LLC | $5,119,867 | |
| 9 | ECI Defense Group, Inc. | $4,948,358 | |
| 10 | Eaglegrace Global LLC | $4,038,300 |
See the full FY2025 ranking of NAICS 335312 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $157,301,992 | |
| 2 | Department of the Navy | $76,622,422 | |
| 3 | Defense Logistics Agency | $71,248,704 | |
| 4 | Department of Transportation | $28,580,561 | |
| 5 | National Aeronautics and Space Administration | $17,374,464 | |
| 6 | Department of Homeland Security | $8,745,053 | |
| 7 | Air Force | $7,391,234 | |
| 8 | Department of Veterans Affairs | $3,420,014 | |
| 9 | Department of State | $1,261,516 | |
| 10 | Department of Agriculture | $787,510 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 6115 Generators and Generator Sets, Electrical | $221,814,289 | |
| 2 | 6105 Motors, Electrical | $56,321,458 | |
| 3 | 6110 Electrical Control Equipment | $19,151,593 | |
| 4 | 6125 Converters, Electrical, Rotating | $17,662,712 | |
| 5 | 5990 Synchros and Resolvers | $8,412,496 | |
| 6 | 2815 Diesel Engines and Components | $6,819,156 | |
| 7 | 6620 Engine Instruments | $5,188,124 | |
| 8 | 6130 Converters, Electrical, Nonrotating | $4,845,652 | |
| 9 | 5998 Electrical and Electronic Assemblies; Boards, Cards, and Associated Hardware | $4,716,051 | |
| 10 | 2920 Engine Electrical System Components, Nonaircraft | $2,387,853 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Minnesota | $132,262,134 | |
| 2 | Ohio | $43,963,202 | |
| 3 | California | $32,018,532 | |
| 4 | Wisconsin | $24,190,472 | |
| 5 | New York | $16,211,035 | |
| 6 | Virginia | $16,086,683 | |
| 7 | Connecticut | $11,662,006 | |
| 8 | Florida | $9,736,797 | |
| 9 | Pennsylvania | $8,562,177 | |
| 10 | Texas | $7,330,939 | |
| 11 | New Jersey | $7,231,965 | |
| 12 | Guam | $6,022,370 | |
| 13 | Illinois | $5,421,926 | |
| 14 | Tennessee | $5,058,005 | |
| 15 | Georgia | $4,620,198 | |
| 16 | Maryland | $3,908,504 | |
| 17 | Kentucky | $2,349,419 | |
| 18 | Utah | $2,234,791 | |
| 19 | Oklahoma | $1,616,072 | |
| 20 | Arkansas | $1,611,499 | |
| 21 | North Carolina | $1,438,107 | |
| 22 | South Carolina | $1,307,697 | |
| 23 | Alabama | $1,234,407 | |
| 24 | Michigan | $1,209,986 | |
| 25 | Missouri | $1,133,103 | |
| 26 | Indiana | $1,132,573 | |
| 27 | Idaho | $1,084,540 | |
| 28 | Iowa | $942,528 | |
| 29 | Arizona | $711,966 | |
| 30 | Louisiana | $613,872 | |
| 31 | West Virginia | $589,014 | |
| 32 | Kansas | $534,282 | |
| 33 | Delaware | $498,404 | |
| 34 | Nebraska | $417,994 | |
| 35 | North Dakota | $377,338 | |
| 36 | Washington | $324,942 | |
| 37 | New Mexico | $272,717 | |
| 38 | Puerto Rico | $252,984 | |
| 39 | New Hampshire | $217,914 | |
| 40 | Nevada | $213,973 | |
| 41 | Montana | $174,227 | |
| 42 | Oregon | $154,228 | |
| 43 | Rhode Island | $124,789 | |
| 44 | Colorado | $75,928 | |
| 45 | South Dakota | $50,910 | |
| 46 | Wyoming | $43,760 | |
| 47 | Alaska | $37,973 | |
| 48 | Mississippi | $8,217 |
Show all 48
Shares are of everything obligated under NAICS 335312 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 28,384 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 335312?
NAICS 335312 is Motor and Generator Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for resolvers manufacturing?
The NAICS code for resolvers manufacturing is 335312, Motor and Generator Manufacturing.
What is the NAICS code for dynamotors manufacturing?
The NAICS code for dynamotors manufacturing is 335312, Motor and Generator Manufacturing.
What is the NAICS code for servomotors manufacturing?
The NAICS code for servomotors manufacturing is 335312, Motor and Generator Manufacturing.
When did the size standard for NAICS 335312 last change?
The most recent Federal Register rule on record that names NAICS 335312 in the SBA's size standards is "Small Business Size Standards for Manufacturing" (81 FR 4469), published Jan 26, 2016 and effective Feb 26, 2016.
How much do federal agencies spend under NAICS 335312?
Federal contracts under NAICS 335312 obligated $289,165,333 in fiscal year 2025 and $1,784,922,704 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 335312?
The contractors with the most obligated under NAICS 335312 in fiscal years 2026 and 2027 are Cummins Power Generation Inc. ($131,650,252); GE Aviation Systems LLC ($35,562,334); and Discovery Energy, LLC ($27,488,838).
Which agencies buy the most under NAICS 335312?
The agencies that obligated the most under NAICS 335312 in fiscal years 2026 and 2027 are Department of the Army ($157,301,992), Department of the Navy ($76,622,422) and Defense Logistics Agency ($71,248,704).
Which PSC codes are used with NAICS 335312?
The PSC codes with the most obligated under NAICS 335312 in fiscal years 2026 and 2027 are 6115 Generators and Generator Sets, Electrical; 6105 Motors, Electrical; and 6110 Electrical Control Equipment.
Where is the work under NAICS 335312 performed?
By place of performance, the states with the most contract obligations under NAICS 335312 over the last 12 months are Minnesota ($132,262,134), Ohio ($43,963,202) and California ($32,018,532).
What is the latest contract opportunity under NAICS 335312?
The latest contract opportunity under NAICS 335312 is Motor, alternating current, award notice from Land and Maritime (DLA), posted November 6, 2026.
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See everything under NAICS 335312
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