SIC 3621 Motors and Generators

SIC Code: 3621

Code Title: Motors and Generators

Code Division: D - Manufacturing

SIC 3621 Motors and Generators Description

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