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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.


SIC Code 3621 - Motors and Generators is a final level code of the “Manufacturing” Division. There are 713 companies classified in this industry in the USA with an estimated employment of 17,830 people.

Hierarchy Navigation for SIC Code 3621

Parent Category (less specific)

Industry Examples

Common types of examples within SIC Code 3621 - Motors and Generators are:

  • 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

Industry Image

Example photo for industry SIC 3621 - Motors and Generators. This image represents an activity or product found in this industry.


For some business types, there may be a similar industry to SIC Code 3621 - Motors and Generators that is a better classification match. Establishments primarily engaged in manufacturing turbo-generators are classified in SIC Code - 3511; those manufacturing starting motors and battery charging generators for internal combustion engines are classified in SIC Code - 3694; and those manufacturing generators for welding equipment are classified in Industry 3548.

Companies compiles comprehensive business data and executive contact leads for businesses within SIC Code 3621 - Motors and Generators. Some of the leading and most notable companies are listed below. To order a list of companies within SIC Code 3621 - Motors and Generators for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

Industry Executives

Would you like to email executives in SIC Code 3621 - Motors and Generators? Below are some of the common job titles available to be targeted.

  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

For specific job title targeting, please provide details in the business list request form.

Executive Email List

Alternative SIC Code Categories for SIC 3621

For business marketing and targeting purposes, please refer to the Extended SIC Codes (6-digit).

7-digit SIC

  • 3621001Motor & Generator (manufacturers)
  • 3621002Electric Motors (manufacturers)
  • 3621003Electric Generating Windmills
  • 3621004Power Generators
  • 3621005Electric Motor & Generator Parts
  • 3621006Motors & Generators-Starters
  • 3621007Armatures, Industrial
  • 3621008Electric Supplies (manufacturers)
  • 3621009Buses-Parts & Supplies (manufacturers)
  • 3621010Coils, For Electric Motors Or Generators
  • 3621011Electric Drives (manufacturers)
  • 3621012Collector Rings, For Electric Motors Or Generators
  • 3621013Electric Motors-Supplies & Parts (manufacturers)
  • 3621014Commutators, Electric Motor
  • 3621015Servomechanism Systems & Equipment (manufacturers)
  • 3621016Frequency Converters-Electric Generators
  • 3621017Generators-Diesel (manufacturers)
  • 3621018Motor Generator Sets
  • 3621019Generators-Gas (manufacturers)
  • 3621020Motor Housings
  • 3621021Phase Or Rotary Converters
  • 3621022Rotary Converters
  • 3621023Rotors, For Motors
  • 3621024Sliprings, For Motors Or Generators
  • 3621025Storage Battery Chargers, Motor & Engine Generator Type
  • 3621026Electric Motor & Generator Auxiliary Parts
  • 3621027Dynamos-Electric (except Automotive)
  • 3621028Exciter Assemblies-Motor Or Generator Parts
  • 3621029Inverters (manufacturers)
  • 3621030Resolvers
  • 3621031Synchros
  • 3621032Control Equipment For Electric Buses & Locomotives
  • 3621033Control Equipment For Buses Or Trucks, Electric
  • 3621034Railway Motors & Control Equipment, Electric
  • 3621035Starting Equipment, Street Cars
  • 3621036Generating Apparatus & Parts, Electrical
  • 3621037Generator Sets-Gasoline, Diesel Or Dual-Fuel
  • 3621038Generators-Electric (manufacturers)
  • 3621039Generators For Gas-Electric Or Oil-Electric Vehicles
  • 3621040Generators For Storage Battery Chargers
  • 3621041Servomotors, Electric
  • 3621042Timing Motors, Synchronous, Electric
  • 3621043Torque Motors, Electric

8-digit SIC

  • 36210000Motors And Generators
  • 36210100Electric Motor And Generator Parts
  • 36210101Armatures, Industrial
  • 36210102Coils, For Electric Motors Or Generators
  • 36210103Collector Rings, For Electric Motors Or Generators
  • 36210104Commutators, Electric Motor
  • 36210105Frequency Converters (electric Generators)
  • 36210106Motor Generator Sets
  • 36210107Motor Housings
  • 36210108Motors, Electric
  • 36210109Phase Or Rotary Converters (electrical Equipment)
  • 36210110Power Generators
  • 36210111Rotary Converters (electrical Equipment)
  • 36210113Rotors, For Motors
  • 36210114Sliprings, For Motors Or Generators
  • 36210115Starters, For Motors
  • 36210116Storage Battery Chargers, Motor And Engine Generator Type
  • 36210200Electric Motor And Generator Auxillary Parts
  • 36210202Dynamos, Electric (except Automotive)
  • 36210204Exciter Assemblies (motor Or Generator Parts)
  • 36210205Inverters, Rotating: Electrical
  • 36210206Resolvers
  • 36210208Synchros
  • 36210300Control Equipment For Electric Buses And Locomotives
  • 36210301Control Equipment For Buses Or Trucks, Electric
  • 36210302Railway Motors And Control Equipment, Electric
  • 36210303Starting Equipment, Street Cars
  • 36219901Generating Apparatus And Parts, Electrical
  • 36219902Generator Sets: Gasoline, Diesel, Or Dual-Fuel
  • 36219903Generators And Sets, Electric
  • 36219904Generators For Gas-Electric Or Oil-Electric Vehicles
  • 36219905Generators For Storage Battery Chargers
  • 36219906Servomotors, Electric
  • 36219907Timing Motors, Synchronous, Electric
  • 36219908Torque Motors, Electric
  • 36219909Windmills, Electric Generating