Establishments primarily engaged in manufacturing electric motors (except engine starting motors) and power generators; motor generator sets; railway motors and control equipment; and motors, generators, and control equipment for gasoline, electric, and oil-electric buses and trucks. Establishments primarily engaged in manufacturing turbo-generators are classified in Industry 3511; those manufacturing starting motors and battery charging generators for internal combustion engines are classified in Industry 3694; and those manufacturing generators for welding equipment are classified in Industry 3548.
- Armatures, industrial
- Coils for motors and generators
- Collector rings for motors and generators
- Commutators, electric motor
- Control equipment for buses and trucks
- Converters, phase and rotary: electrical equipment
- Dynamos, electric: except automotive
- Dynamotors
- Exciter assemblies, motor and generator
- Frequency converters (electric generators)
- Generating apparatus and parts, electrical: except internal combustion
- Generator sets: gasoline, diesel, and dual fuel
- Generators and sets, electric: except internal combustion engine,
- Generators for gas-electric and oil-electric vehicles
- Generators for storage battery chargers, except internal combustion
- Inverters, rotating: electrical
- Motor generator sets, except automotive and turbo generators
- Motor housings
- Motors, electric: except engine starting motors and gear motors
- Power generators
- Railway motors and control equipment, electric
- Resolvers
- Rotary converters (electrical equipment)
- Rotor retainers and housings
- Rotors for motors
- Servomotors
- Sliprings for motors and generators
- Starting equipment, for streetcars
- Stators for motors
- Storage battery chargers, engine generator type
- Synchronous condensers and timing motors, electric
- Synchros
- Torque motors, electric