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  7. Sherwood Electromotion Inc. (SEI)
Sherwood Electromotion Inc. (SEI) logo

Sherwood Electromotion Inc. (SEI)

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West Seneca, NY 14224
800-563-2220
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At a glance

Employee size
201-500
Organization type
Privately Held
Headquarters
West Seneca, NY

About

Since 1977, Sherwood Electromotion has built and serviced propulsion and power-generation equipment for rail, mass transit, and wind power applications. Operating industrial facilities in Canada and the United States, the company combines new equipment production with OEM-based remanufacturing and overhaul work, including locomotive traction motors and wind generators. Its Concord facility spans 116,000 square feet and supports a three-shift operation with 200 employees.

Capabilities and markets

Products

Manufacturing processes

Materials worked

Service offerings

Economic activities

End markets served

Energy segments

Grid ComponentsWind

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • ISO 9001:2015

  • AAR M-1003

  • Buy America Act compliance

    Compliance program

  • Canadian Content Policy compliance

    Compliance program

  • U.S. Federal Transit Administration Drug & Alcohol Testing Requirements

    Compliance program

  • FTADRUGALCOHOLTESTING

    Quality certification

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  • Triton Duro logoTriton DuroTriton Duro designs and manufactures high-efficiency electric motors and generators, including wind turbine, induction, synchronous, hydro, and specialty motor equipment. Its manufacturing capabilities include lamination stamping, core assembly, welding and fabrication, high-precision machining, coil manufacturing, winding, assembly, and laboratory testing; it also provides maintenance, repair, modernization, engineering, and technical services for power generation, utility, oil and gas, transportation, aerospace, automotive, and industrial processing markets.CLEVELAND, OH
  • Sheppard Services, LLC logoSheppard Services, LLCFounded in 1979 as an electric-motor repair shop, Sheppard Services has grown into a regional service company handling electric motors, pumps and the surrounding industrial systems. Its Theodore operation combines in-house motor rewinding and repair with field work, including piping and equipment installation, and offers 24/7/365 emergency response. The company also maintains an EASA shop and UL-listed repair shop, with certified vibration analysts on staff.NORTH RIDGEVILLE, OH
  • Rockit Motors logoRockit MotorsRockit Motors manufactures electric motors, alternators, and their components as a contract manufacturing partner for mission-critical industrial programs. The company traces its roots to a General Motors division in the 1950s and now combines that Fortune 500 manufacturing heritage with a startup approach and production operations in the United States, Canada, and Mexico. Rockit also added rail aftermarket overhaul capabilities in 2025 through its acquisition of Motor Coils Mfg. Ltd., a rail industry institution since 1954.PLATTSBURGH, NY
More manufacturers in New York

Contact information

Website

sherwoodelectromotion.com

Emails

  • sei@sherwoodelectromotion.com

Phone numbers

  • 800-563-2220
  • 289-695-5555

Social

Locations

Sherwood Electromotion Inc. (SEI) location map for 221 LEIN RD

221 Lein Rd

West Seneca, NY 14224

Erie County

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Directory source

Source
sherwoodelectromotion.com
Updated
Sep 2026