Dedicated to developing better product solutions for the electrical power industry

Inertia Engineering and Machine Works, Inc. an ISO 9001:2015 certified manufacturer of medium voltage switchgear, automation products and specialized equipment and components for the electrical power distribution industry. Inertia Engineering has become a recognized industry leader for providing quality switchgear and automation equipment. Inertia Engineering privately held company headquartered in Stockton, California, Inertia Engineering has manufactured products in the United States since 1995 and serves customers worldwide.



  • Distribution Switches
  • Transmission Switches
  • Specialty Switches
  • Automation Equipment
  • Brackets, Mounts, & Hardware
Find a Inertia Engineering Sales Rep Near You: