The Declaration of Indiana
A maritime agreement for the Great Lakes-St. Lawrence Maritime System

• American Iron Ore Association
• American Maritime Officers
• Canadian Marine Pilots Association
• Canadian Merchant Service Guild
• Canadian Shipowners Association
• Chamber of Maritime Commerce
• Council of Great Lakes Industries
• Great Lakes Commission
• International Association of Great Lakes Ports
• International Longshoremen's Association - Great Lakes District
• Lake Carriers' Association
• Seafarers International Union - Great Lakes
• Seaway Review
• St. Lawrence Economic Development Council
• United States Great Lakes Shipping Association