Staff of Christian J. Stewart Consulting have worked directly and as sub-contractors for a wide variety of clients, including but not limited to:

Atria Engineering Hydraulics Inc.
Baird & Associates
British Columbia Ministry of Forests
British Columbia Ministry of Environment, Lands and Parks
Canadian Coastal Science and Engineering Association
The Canadian Parks Service
Earth Data International 
E7 Engineering
Ecologistics Limited
Emergency Preparedness Canada
Emergency Planning Ontario
Environment Canada
Environmental Business Network of Southern Ontario
ESRI Canada Limited
Fisheries and Oceans Canada
Geological Survey of Canada
The City of Guelph, Ontario
Hegyi Geotechnologies International
Human Resources Development Canada
International Joint Commission
Islands Trust Fund (British Columbia)
Los Angeles County, California
Ontario Ministry of Natural Resources
Orca Technologies International Inc.
Pacific International Engineering
Pangaea Information Technologies Limited
QuikMap Technologies Inc.
R.A. Malatest and Associates
Royal Roads University
Santa Clara County, California
University of Guelph, Department of Geography
University of Victoria, Department of Geography
University of Virginia, Department of Environmental Science
U.S. Army Corps of Engineers - Detroit District
U.S. Army Corps of Engineers - Buffalo District
U.S. Army Corps of Engineers, Coastal and Hydraulics Lab
U.S. Geological Survey
VGI Vision Group International Inc.
Walter R. McDonald & Associates Inc.
Washington State Department of Ecology
Western Air Maps Inc.
Woolpert LLP
The World Conservation Union (IUCN)