Statistical Classification of Economic Activities NACE Rev. 2.1

This class includes:
- manufacture of internal combustion piston engines, except motor vehicle, aircraft and cycle propulsion engines:
marine engines
railway engines
- manufacture of pistons, piston rings, carburettors and such for all internal combustion engines, diesel engines etc.
- manufacture of inlet and exhaust valves of internal combustion engines
- manufacture of turbines and parts thereof:
steam turbines and other vapour turbines
hydraulic turbines, waterwheels and regulators thereof
wind turbines
gas turbines, except turbojets or turbo propellers for aircraft propulsion
- manufacture of boiler-turbine sets
- manufacture of turbine-generator sets
- manufacture of engines for industrial application

This class excludes:
- manufacture of electric generators (except turbine generator sets), see 27.11
- manufacture of prime mover generator sets (except turbine generator sets), see 27.11
- manufacture of electrical equipment and components of internal combustion engines, see 29.31
- manufacture of motor vehicle, aircraft or cycle propulsion engines, see 29.10, 30.30, 30.91
- manufacture of turbojets and turbo propellers, see 30.30

This class includes:
- manufacture of motorcycles, mopeds and cycles fitted with an auxiliary engine
- manufacture of engines for motorcycles
- manufacture of sidecars
- manufacture of parts and accessories for motorcycles

This class excludes:
- manufacture of bicycles, see 30.92
- manufacture of invalid carriages, see 30.92