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For over 100 years, Electric Machinery Company (EM) has earned its reputation for designing, manufacturing, and servicing large, custom-engineered electrical motors and generators in the U.S. and worldwide. We serve oil and gas refinery, chemical, utility, general industrial, pulp and paper, and municipal markets. EM has earned a reputation for design innovation by developing the:
- First High-Starting-Torque Synchronous Motor
- First Solid-State Brushless Excitation System
- First Vertical, Self-Contained Hydrogenerator
- First Automatic Starting System for Synchronous Motors
- First 2-Pole Induction Motor Design to Operate
- Below its First Critical Speed
EM pioneered its Duraguard insulation system in the early 1970's. Today, EM's Duraguard process, using epoxy resin tape and vacuum/pressure impregnation (VPI), is recognized as the benchmark of the industry.



