About CESI

Cotton Electric Services Inc. is a subsidiary company of Cotton Electric Cooperative Inc., in Walters, Oklahoma. We have been testing high voltage equipment since 1990. We take great pride in being a part of an electrical distribution company and have first-hand knowledge of the utility industry. You can rely on CESI for your safety needs.

The testing facility at CESI has exceeded the strictest standards established by the North American Independent Laboratories for Protective Equipment Testing and maintains its NAIL accreditation for protective equipment testing. You can learn more about our testing procedures in the video below.

Our staff has decades of utility and testing experience. Please contact us with any questions you might have.