NAICS Code 333618 — Other Engine Equipment Manufacturing
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 4 national industries under 33361 (Engine, Turbine, and Power Transmission Equipment Manufacturing).
| Code | 333618 |
|---|---|
| Title | Other Engine Equipment Manufacturing |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 1,500 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in manufacturing internal combustion engines (except automotive gasoline and aircraft).
Is a business under 333618 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 333618 qualifies as a small business if it does not exceed 1,500 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 333618 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 333 | Machinery Manufacturing |
| Industry Group | 3336 | Engine, Turbine, and Power Transmission Equipment Manufacturing |
| NAICS Industry | 33361 | Engine, Turbine, and Power Transmission Equipment Manufacturing |
| National Industry | 333618 | Other Engine Equipment Manufacturing |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3519 | Internal Combustion Engines, Not Elsewhere Classified |
3699 | Electrical Machinery, Equipment, and Supplies, Not Elsewhere Classified |
Related National Industry codes
333611— Turbine and Turbine Generator Set Units Manufacturing333612— Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing333613— Mechanical Power Transmission Equipment Manufacturing
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.