AECOM
Alpha Natural Resources
Anadarko Petroleum Corporation
Baker Energy
Bill Barrett Corporation
Black Hills Bentonite
BRS, Inc.
Chevron-Kemmerer Coal
City of Gillette
Cloud Peak Energy, Inc. (Rio Tinto Energy America)
Dan Hard Patrol Service, LLC
Devon Energy Corporation
Fisher Sand and Gravel
FMC Corporation
Hayden-Wing Associates, LLC
Hills Material Company
Hydro-Geologic, Inc.
ICF International
Interwest Mining Company-Glenrock Coal
Kiewit Mining Group, Inc.
Knight Piesold
Consulting
Marathon (Penneco) Oil Company |
Norwest Applied Hydrology
Peabody Powder River Operations, LLC
Powder River Energy Corporation
QEP Energy
RESPEC
State of Wyoming
Stetson Engineering
Strathmore Resources, Ltd.
Terracon Consultants, Inc.
Thunder Basin Coal Company
Thunderbird Wildlife Consulting, Inc.
TRC Companies, Inc.
TREC, Inc.
True Oil
U.S. Department of Energy
U.S. Forest Service
Uranium One, Inc.
West Roundup Resources, Inc.
Wharf Resources, Inc.
Williams Production RMT Co.
WWC Engineering
Wyodak Resources, Inc. |