Engineering Associates, Laramie Office - Laramie, Wyoming

Griz Creek Engineering - Cheyenne, Wyoming

West Plains Engineering Inc - Casper, Wyoming

Russell Construction - Douglas, Wyoming

Melgaard Construction - Gillette, Wyoming

Theena Engineering - Cheyenne, Wyoming

AVI - Cheyenne, Wyoming

Albertson Engineering - Cheyenne, Wyoming

Gene R. George & Associates, Inc - Petroleum Engineers - Casper, Wyoming

Trihydro Corporation - Cheyenne, Wyoming