Air National Guard
Alcan Cable 
Anadarko Petroleum Corporation 
ARMARK 
Bonneville Power Administration 
Border Patrol 
Bureau of Reclamation 
Bureau of Land Management 
Bureau of Indian Affairs 
Circuit City 
City of Bellville Illinois 
City of O'Fallon Illinois 
Department of Homeland Security 
Disney 
Environmental Protection Agency 
Farm Service Agency 
Federal Bureau of Prisons 
Food and Drug Administration 
Forest Service 
Fortuna Petroleum 
Foster Wheeler Environmental 
General Service Administration 
Health Source One 
Immigration and Naturalization Service
Indian Health Service 

Michael Baker, jr., Inc. 
Mineral Management Service 
NASA 
National Guard Bureau 
National Missile Defense, Joint Program Office 
National Oceanic and Atmospheric Administration 
National Park Service 
Native American Tribes (contact for list) 
Office of the Surgeon General 
Payette National Forest 
Protein Design Labs 
Salt Lake City Airports 
Sinclair Oil Corporation 
Texas Department of Transportation 
Tennessee Valley Authority 
US Army 
US Army Corps of Engineers 
US Air Force 
US Coast Guard 
US Department of Agriculture 
US Geological Survey 
US Marine Corps 
US Natural Resource Committee, Congressional Staff 
US Navy 
Willford Hall Medical Center