Government
Federal Register U.S. Army Corps of Engineers U.S. Army Corps of Engineers Navigation Data Information System	The Saint Lawrence Seaway Development Corporation The Association of Maritime Arbiters of Canada	U.S. Coast Guard U.S. Coast Guard Navigation Center U.S. Maritime Administration
Industry Associations
Bunkerworld The American Association of Port Authorities The American Salvage Association The American Waterways Operators International Liquid Terminals Association	Maritime Cabotage Task Force Mercy Ships National Transportation Week The Port of Houston Authority Waterways Council, Inc. The Workboat Academy	Coalition to Protect the Missouri River Gulf Intracoastal Canal Association Inland Rivers Ports & Terminals The International Workboat Show Living Lands and Waters