Founded in 1981 by Larry Barnette, servicing the Ohio tri-state area, dynamic service and sales volume forced a move to a larger engineering and full production facility. The present location in Fairborn, Ohio houses the engineering group, manufacturing, assembly techs, service and sales staff.

During the Gulf War, ESI supplied the Patriot Missiles with the controls for the ground system in addition to various other DOD products.

ESI has supplied the global industrial demands with various Generator, Control systems and repair parts. Shipping to all corners of the world. ESI’s products are currently used in oil rigs in the Gulf and yachts in the Caribbean.

Gen-Power Controls® is the registered name for ESI’s voltage regulator line that is a direct replacement for the Delco/Dayton Phoenix products.

Whatever your power generator control needs may be, we are here to help.