NAICS Code 336412: Aircraft Engine and Engine Parts Manufacturing
National industry
SBA small business size standard: 1,500 employees
Definition
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).
Government contracts for this product: PSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Code facts
- Part of
-
-
31-33
-
336
-
3364
- 33641
-
3364
-
336
-
31-33
- Contract awards
- 8,140 In the last 12 months
- Contract obligations
- $12,803,029,651 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 336412
- Aircraft engine and engine parts (except carburetors, pistons, piston rings, valves) manufacturing
- Aircraft engine overhauling
- Aircraft engine rebuilding
- Aircraft turbines manufacturing
- Developing and producing prototypes for aircraft engines and engine parts
- Engines and engine parts, aircraft (except carburetors, pistons, piston rings, valves), manufacturing
- Gas turbines, aircraft, manufacturing
- Gasoline engine parts (except carburetors, pistons, piston rings, valves), aircraft, manufacturing
- Gasoline engines, aircraft, manufacturing
- Internal combustion engines, aircraft, manufacturing
- Jet propulsion and internal combustion engines and parts, aircraft, manufacturing
- Rocket engines, aircraft, 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 | $379,907 |
| FY2026 | $10,738,735,829 |
| FY2025 | $12,803,029,651 |
| FY2024 | $9,105,935,356 |
| FY2023 | $13,996,392,638 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | RTX Corporation | $6,673,681,679 | |
| 2 | General Electric Company | $1,044,671,134 | |
| 3 | Rolls-Royce Corporation | $1,004,611,742 | |
| 4 | General Electric Company | $510,377,309 | |
| 5 | General Electric Company | $357,833,858 | |
| 6 | The Boeing Company | $301,106,397 | |
| 7 | Lockheed Martin Corporation | $136,585,878 | |
| 8 | CFM International Inc. | $93,925,566 | |
| 9 | Honeywell International Inc. | $58,528,266 | |
| 10 | Lockheed Martin Corp | $56,135,163 |
See the full FY2025 ranking of NAICS 336412 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $8,306,558,753 | |
| 2 | Air Force | $1,417,636,525 | |
| 3 | Defense Logistics Agency | $607,484,639 | |
| 4 | Department of the Army | $295,912,717 | |
| 5 | Department of Homeland Security | $99,054,487 | |
| 6 | Department of Commerce | $7,088,841 | |
| 7 | National Aeronautics and Space Administration | $2,709,718 | |
| 8 | Department of Justice | $2,372,572 | |
| 9 | Department of the Interior | $260,206 | |
| 10 | Department of Agriculture | $215,650 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components | $8,508,616,819 | |
| 2 | J028 Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components | $469,342,964 | |
| 3 | 1680 Miscellaneous Aircraft Accessories and Components | $457,098,108 | |
| 4 | AC11 National Defense R&D Services; Department of Defense – Military; Basic Research | $358,187,838 | |
| 5 | J010 Maintenance, Repair and Rebuilding of Equipment: Weapons | $292,346,345 | |
| 6 | 2915 Engine Fuel System Components, Aircraft and Missile Prime Movers | $138,574,459 | |
| 7 | AC14 National Defense R&D Services; Department of Defense – Military; R&D Administrative Expenses | $132,058,747 | |
| 8 | 2995 Miscellaneous Engine Accessories, Aircraft | $62,020,519 | |
| 9 | AC13 National Defense R&D Services; Department of Defense – Military; Experimental Development | $61,209,119 | |
| 10 | R706 Logistics Support Services | $50,760,512 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Connecticut | $6,704,977,031 | |
| 2 | Massachusetts | $1,433,169,286 | |
| 3 | Indiana | $991,748,073 | |
| 4 | Ohio | $541,707,478 | |
| 5 | Pennsylvania | $433,489,907 | |
| 6 | Missouri | $215,277,657 | |
| 7 | Florida | $173,493,580 | |
| 8 | Georgia | $92,408,654 | |
| 9 | California | $76,630,891 | |
| 10 | Arizona | $74,462,866 | |
| 11 | Washington | $72,489,401 | |
| 12 | Texas | $65,690,277 | |
| 13 | Kentucky | $51,675,542 | |
| 14 | New York | $38,429,572 | |
| 15 | Illinois | $37,620,087 | |
| 16 | Oklahoma | $34,037,741 | |
| 17 | Alabama | $26,986,410 | |
| 18 | Michigan | $18,089,068 | |
| 19 | North Carolina | $12,190,985 | |
| 20 | South Carolina | $8,723,986 | |
| 21 | Wisconsin | $3,622,248 | |
| 22 | Maine | $3,462,919 | |
| 23 | Maryland | $3,461,933 | |
| 24 | Virginia | $3,235,269 | |
| 25 | New Jersey | $3,082,838 | |
| 26 | Nevada | $2,282,361 | |
| 27 | Iowa | $2,163,167 | |
| 28 | New Hampshire | $1,723,944 | |
| 29 | Utah | $1,034,934 | |
| 30 | Vermont | $931,059 | |
| 31 | Minnesota | $736,541 | |
| 32 | Mississippi | $451,978 | |
| 33 | Rhode Island | $437,622 | |
| 34 | New Mexico | $383,178 | |
| 35 | South Dakota | $349,100 | |
| 36 | Alaska | $260,206 | |
| 37 | Idaho | $107,000 | |
| 38 | Puerto Rico | $52,185 | |
| 39 | Oregon | $38,882 | |
| 40 | West Virginia | $19,556 | |
| 41 | Colorado | $10,042 | |
| 42 | Louisiana | $6 |
Show all 42
Shares are of everything obligated under NAICS 336412 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 65,201 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 336412?
NAICS 336412 is Aircraft Engine and Engine Parts Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for aircraft engine rebuilding?
The NAICS code for aircraft engine rebuilding is 336412, Aircraft Engine and Engine Parts Manufacturing.
What is the NAICS code for developing and producing prototypes for aircraft engines and engine parts?
The NAICS code for developing and producing prototypes for aircraft engines and engine parts is 336412, Aircraft Engine and Engine Parts Manufacturing.
What is the NAICS code for gas turbines, aircraft, manufacturing?
The NAICS code for gas turbines, aircraft, manufacturing is 336412, Aircraft Engine and Engine Parts Manufacturing.
When did the size standard for NAICS 336412 last change?
The most recent Federal Register rule on record that names NAICS 336412 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 336412?
Federal contracts under NAICS 336412 obligated $12,803,029,651 in fiscal year 2025 and $46,644,473,381 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 336412?
The contractors with the most obligated under NAICS 336412 in fiscal years 2026 and 2027 are RTX Corporation ($6,673,681,679), General Electric Company ($1,044,671,134) and Rolls-Royce Corporation ($1,004,611,742).
Which agencies buy the most under NAICS 336412?
The agencies that obligated the most under NAICS 336412 in fiscal years 2026 and 2027 are Department of the Navy ($8,306,558,753), Air Force ($1,417,636,525) and Defense Logistics Agency ($607,484,639).
Which PSC codes are used with NAICS 336412?
The PSC codes with the most obligated under NAICS 336412 in fiscal years 2026 and 2027 are 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components; J028 Maintenance, Repair and Rebuilding of Equipment: Engines, Turbines, and Components; and 1680 Miscellaneous Aircraft Accessories and Components.
Where is the work under NAICS 336412 performed?
By place of performance, the states with the most contract obligations under NAICS 336412 over the last 12 months are Connecticut ($6,704,977,031), Massachusetts ($1,433,169,286) and Indiana ($991,748,073).
What is the latest contract opportunity under NAICS 336412?
The latest contract opportunity under NAICS 336412 is Blade, compressor, AI, in repair/
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