GSI managing entities

Northeast-Midwest Institute
American Great Lakes Ports Association

Aquatic invasive species and ballast water

Aquatic Invasions Research Directory
National Academies Press: Stemming the Tide
National Ballast Information Clearinghouse
Sea Grant Nonindigenous Species Site

Great Lakes

Great Lakes Ballast Technology Demo. Project
Great Lakes Information Network
Great Lakes Maritime Research Institute
Great Lakes Panel on Aquatic Nuisance Species
St. Lawrence Seaway Management Corporation
St. Lawrence Seaway Development Corporation

Great Lakes ports

Cleveland-Cuyahoga County Port Authority
Duluth Seaway Port Authority
Erie-Western Pennsylvania Port Authority
Ports of Indiana
Port of Hamilton
Port of Toronto
Toledo-Lucas County Port Authority

Federal agencies

ANS Task Force
EPA GLNPO Invasive Species
GLERL Nonindigenous Species Research Program
National Invasive Species Council
Naval Research Laboratory, Key West, FL
NOAA
NOAA Sea Grant
U.S. Coast Guard Ballast Water Program
U.S. EPA - ETV Program
U.S. Department of Transportation
U.S. Geological Survey - NAS
U.S. Maritime Administration

International

International Maritime Organization
IMO's GloBallast Programme
Royal Netherlands Institute for Sea Research