PIAG Organizations:

• City of Superior
• Conservation Ontario
• Ducks Unlimited
• Georgian Bay Association
• Grand Valley State University
• Great Lakes Sport Fishing Council
• Great Lakes United
• International Great Lakes Coalition
• International Sailing Federation
• Lake Carriers' Association
• Lake Superior Conservancy and Watershed Council
• Lakehead Shipping Company Ltd.
• Ohio DNR
• Sault Ste. Marie Tribe of Chippewa Indians
• Save Our Shoreline

Canadian Government:

• Canadian Coast Guard
• Environment Canada
• Government of Ontario
• Ministry of the Environment
• Ministry of Natural Resources
• Natural Resources Canada 

U.S. Government:

• Great Lakes Environmental Research Laboratory (NOAA)
• Great Lakes Science Center
• Indiana Department of Natural Resources
• Michigan Section - American Water Resources Association
• State of Illinois
• State of Indiana
• State of Michigan
• State of Wisconsin
• US Army Corps of Engineers, Detroit District
• US Army Corps of Engineers, St. Paul District
• US Environmental Protection Agency
• US Geological Survey Water Resources of the United States (USGS)
• US Geological Survey Water Resources of Illinois
• US Geological Survey Water Resources of Indiana
• US Geological Survey Water Resources of Michigan
• US Geological Survey Water Resources of Wisconsin
• Wisconsin Department of Natural Resources