US Air Force
AFCEC (Air Force Civil Engineer Center)
Beale AFB
Dyess AFB
Patrick AFB
Space Command, 45th Space Wing
Vandenberg AFB

US Army Corps of Engineers
Albuquerque District
Fort Worth District
Huntington District
Japan District
Kansas City District
Los Angeles District
Mobile District
Omaha District
Sacramento District
Tulsa District

US Environmental Protection Agency
Region 4
Region 5
Region 7
Region 8
Region 9
National Center for Environmental Assessment

National Guard
California National Guard
Wisconsin National Guard

US Navy
Naval Facilities Engineering Service Center
NAVFAC Mid-Atlantic
NAVFAC Southeast
NAVFAC Southwest

Department of Energy
DOI–National Park Service
Department of Veteran Affairs
General Services Administration
USDA Forest Service
US Fish and Wildlife Service
US Geological Survey
City of Greenfield
City of Hartford
City of Milwaukee
City of St. Francis
City of Waukesha
City of West Allis
Marinette County
Milwaukee County
Milwaukee Metropolitan Sewerage District
Milwaukee Water Works
Outagamie County
Sheboygan County
Village of Menomonee Falls
Walworth County
Waukesha County Transportation Department
WI Department of Administration
WI Department of Natural Resources
WI Department of Transportation – All Regions

City of Maywood
Ventura County Public Works Agency
City of San Marcos

Native American Nations
Bad River Band of Lake Superior Chippewa Indians
Campo Kumeyaay Nation
Elem Nation Indian Colony
Forest County Potawatomi
Ho-Chunk Nation
Menominee Indian Tribe of Wisconsin
Oneida Tribe of Indians of Wisconsin
Red Cliff Band of Lake Superior Chippewa Indians
Stockbridge-Munsee Reservation