NAICS Code 333611: Turbine and Turbine Generator Set Units Manufacturing
National industry
SBA small business size standard: 1,500 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing turbines (except aircraft); and complete turbine generator set units, such as steam, hydraulic, gas, and wind.
Code facts
- Part of
-
-
31-33
-
333
-
3336
- 33361
-
3336
-
333
-
31-33
- Contract awards
- 750 In the last 12 months
- Contract obligations
- $165,177,361 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 333611
- Gas turbine generator set units manufacturing
- Gas turbines (except aircraft) manufacturing
- Generator sets, turbine (e.g., gas, hydraulic, steam), manufacturing
- Governors, steam, manufacturing
- Hydraulic turbine generator set units manufacturing
- Hydraulic turbines manufacturing
- Motor generator sets, turbo generators, manufacturing
- Steam turbine generator set units manufacturing
- Steam turbines manufacturing
- Turbine generator set units manufacturing
- Turbines (except aircraft) manufacturing
- Water turbines manufacturing
- Wind powered turbine generator sets manufacturing
- Wind turbines (i.e., windmill) manufacturing
- Windmills, electric power, generation-type, manufacturing
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $114,158,885 |
| FY2025 | $165,177,361 |
| FY2024 | $195,649,770 |
| FY2023 | $190,356,707 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | AAR Supply Chain, Inc. | $35,779,979 | |
| 2 | Kampi Components Co Inc. | $17,686,496 | |
| 3 | Honeywell International Inc. | $9,520,270 | |
| 4 | Argo Turboserve Corporation | $4,556,418 | |
| 5 | Tetrad Services, Inc. | $3,497,046 | |
| 6 | Curtiss-Wright Electro-Mechanical Corporation | $3,490,741 | |
| 7 | Flexsys Inc. | $3,469,212 | |
| 8 | Aerocontrolex Group, Inc. | $3,447,027 | |
| 9 | Sherwood Avionics And Accessories, Inc. | $3,079,624 | |
| 10 | Curtiss-Wright Electro-Mechanical Corp | $2,906,796 |
See the full FY2025 ranking of NAICS 333611 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $51,097,540 | |
| 2 | Department of the Army | $37,629,427 | |
| 3 | Department of the Navy | $19,864,397 | |
| 4 | Air Force | $6,423,786 | |
| 5 | Department of Homeland Security | $191,795 | |
| 6 | Department of Veterans Affairs | $13,883 | |
| 7 | Department of Justice | $13,018 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 2835 Gas Turbines and Jet Engines, Non-Aircraft; and Components | $23,970,108 | |
| 2 | 4140 Fans, Air Circulators, and Blower Equipment | $18,300,869 | |
| 3 | 2995 Miscellaneous Engine Accessories, Aircraft | $18,069,474 | |
| 4 | 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components | $16,623,956 | |
| 5 | 2825 Steam Turbines and Components | $14,108,362 | |
| 6 | J028 Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components | $4,250,488 | |
| 7 | 1560 Airframe Structural Components | $3,574,780 | |
| 8 | 2915 Engine Fuel System Components, Aircraft and Missile Prime Movers | $2,537,398 | |
| 9 | 1650 Aircraft Hydraulic, Vacuum and De-icing System Components | $2,409,207 | |
| 10 | 4810 Valves, Powered | $1,881,662 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Illinois | $30,854,913 | |
| 2 | Pennsylvania | $16,839,695 | |
| 3 | Arizona | $10,337,138 | |
| 4 | New York | $9,212,159 | |
| 5 | Ohio | $8,084,437 | |
| 6 | Virginia | $7,908,860 | |
| 7 | Georgia | $4,934,034 | |
| 8 | Florida | $3,865,299 | |
| 9 | Alaska | $3,577,661 | |
| 10 | Texas | $1,925,499 | |
| 11 | California | $1,301,746 | |
| 12 | Kansas | $848,286 | |
| 13 | Connecticut | $662,067 | |
| 14 | New Jersey | $548,659 | |
| 15 | Missouri | $488,640 | |
| 16 | North Carolina | $400,655 | |
| 17 | Alabama | $325,861 | |
| 18 | Nevada | $249,352 | |
| 19 | Wisconsin | $247,519 | |
| 20 | Massachusetts | $172,995 | |
| 21 | Tennessee | $88,989 | |
| 22 | South Carolina | $52,506 | |
| 23 | Arkansas | $50,040 | |
| 24 | Oklahoma | $49,169 | |
| 25 | Maryland | $31,009 | |
| 26 | Indiana | $29,976 | |
| 27 | Montana | $21,180 | |
| 28 | Wyoming | $14,454 | |
| 29 | Michigan | $13,132 | |
| 30 | Washington | $13,018 | |
| 31 | Minnesota | $4,397 |
Show all 31
Shares are of everything obligated under NAICS 333611 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 9,732 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 333611?
NAICS 333611 is Turbine and Turbine Generator Set Units Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for steam turbines manufacturing?
The NAICS code for steam turbines manufacturing is 333611, Turbine and Turbine Generator Set Units Manufacturing.
What is the NAICS code for water turbines manufacturing?
The NAICS code for water turbines manufacturing is 333611, Turbine and Turbine Generator Set Units Manufacturing.
What is the NAICS code for hydraulic turbines manufacturing?
The NAICS code for hydraulic turbines manufacturing is 333611, Turbine and Turbine Generator Set Units Manufacturing.
When did the size standard for NAICS 333611 last change?
The most recent Federal Register rule on record that names NAICS 333611 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 333611?
Federal contracts under NAICS 333611 obligated $165,177,361 in fiscal year 2025 and $665,342,724 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 333611?
The contractors with the most obligated under NAICS 333611 in fiscal years 2026 and 2027 are AAR Supply Chain, Inc. ($35,779,979); Kampi Components Co Inc. ($17,686,496); and Honeywell International Inc. ($9,520,270).
Which agencies buy the most under NAICS 333611?
The agencies that obligated the most under NAICS 333611 in fiscal years 2026 and 2027 are Defense Logistics Agency ($51,097,540), Department of the Army ($37,629,427) and Department of the Navy ($19,864,397).
Which PSC codes are used with NAICS 333611?
The PSC codes with the most obligated under NAICS 333611 in fiscal years 2026 and 2027 are 2835 Gas Turbines and Jet Engines, Non-Aircraft; and Components; 4140 Fans, Air Circulators, and Blower Equipment; and 2995 Miscellaneous Engine Accessories, Aircraft.
Where is the work under NAICS 333611 performed?
By place of performance, the states with the most contract obligations under NAICS 333611 over the last 12 months are Illinois ($30,854,913), Pennsylvania ($16,839,695) and Arizona ($10,337,138).
What is the latest contract opportunity under NAICS 333611?
The latest contract opportunity under NAICS 333611 is 42-0213, Rolls Royce BOA Follow-On, pre-solicitation from Naval Sea Systems Command (Navy), posted November 6, 2026.
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