Oil and Gas/Oilsands
Apache Canada Ltd.
Canadian Natural
Cumulative Environmental Management Association (CEMA)
Devon Energy
DPH Engineering Inc.
Fort McKay Industry Relations Committee
Japan Canada Oil Sands Limited (JACOS)
OPTI Canada Inc./Nexen
Petro-Canada Oil and Gas
TrueNorth Energy L.P.
Velvet Exploration Ltd.
Wood Buffalo Environmental Association (WBEA)

Parks and Protected Areas
Banff National Park
Fernie Alpine Resorts
Glacier National Park
Jasper National Park
Parks Canada
Yoho National Park
BC Ministry of Water, Land and Air Protection

Alberta Transportation
AltaLink Management Ltd.
Aquila Networks Canada
Associated Engineering Alberta Ltd.
Borger Construction Ltd.
Clifton Associates Ltd.
Greenpipe Industries Ltd
KLS Contracting Ltd.
Thurber Engineering Ltd.
Urban Systems
Whissel Contracting Calgary Ltd.

Urban and Rural Municipalities
City of Calgary (Transportation Project Office, Roads, Wastewater, Waterworks)
City of Medicine Hat (Environmental Utilities)
Town of Banff

Federal Government Agencies
Canadian Environmental Assessment Agency
Department of Foreign Affairs and International Trade (G8 Summit Management Office)
Department of National Defence
Department of Public Works and Government Services
Parks Canada