Associate Members are powerful partners that enable electric and telephone cooperatives to be innovative in technology, safety, equipment, member services and other industry needs. Associate Members provide co-ops with the tools to offer the best service to their members in an ever-changing industry.

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T & R Electric Supply Co., Inc.


Primary Contact
Kelly McMahon
Purchasing Manager

P.O. Box 180
Colman, SD 57017
Work Phone: (800) 843-7994
Cell Phone: (605) 534-3555

For More Information

Primary Contact:

Brooke Gross
(217) 241-7916