2022 NAICS industry in sector 31-33 Manufacturing
33361 Engine, Turbine, and Power Transmission Equipment Manufacturing
NAICS 33361 is the US industry code for engine, turbine, and power transmission equipment manufacturing. It covers establishments primarily engaged in manufacturing turbines, power transmission equipment, and internal combustion engines (except automotive gasoline and aircraft).
Official definition
This industry comprises establishments primarily engaged in manufacturing turbines, power transmission equipment, and internal combustion engines (except automotive gasoline and aircraft).
Examples Census gives
- Clutches and brakes (except electromagnetic industrial controls, motor vehicle) manufacturing
- Diesel and semidiesel engines manufacturing
- Electric outboard motors manufacturing
- Internal combustion engines for hybrid drive systems (except automotive) manufacturing
- Plain bearings (except internal combustion engine) manufacturing
- Power transmission pulleys manufacturing
- Plain bushings (except internal combustion engine) manufacturing
- Speed changers (i.e., power transmission equipment) manufacturing
- Speed reducers (i.e., power transmission equipment) manufacturing
- Turbine generator set units manufacturing
- Universal joints (except aircraft, motor vehicle) manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing motor vehicle power transmission equipment are classified in Industry 33635, Motor Vehicle Transmission and Power Train Parts Manufacturing.
- Manufacturing aircraft engines and aircraft power transmission equipment are classified in Industry 33641, Aerospace Product and Parts Manufacturing.
- Manufacturing ball and roller bearings are classified in Industry 33299, All Other Fabricated Metal Product Manufacturing.
- Manufacturing gasoline automotive engines are classified in Industry 33631, Motor Vehicle Gasoline Engine and Engine Parts Manufacturing.
- Manufacturing electric power transmission, electric power distribution equipment, generators, or prime mover generator sets (except turbines) are classified in Industry 33531, Electrical Equipment Manufacturing.
Codes in 33361
Data last changed November 14, 2026. How this page is built.