Founded in 1959, the Chamber of Marine Commerce (CMC) is a bi-national, private sector, not-for-profit association that represents marine industry stakeholders including: Ship Owners Cargo Shippers Canadian & U.S. Ports The Seaway Support Companies Terminals The Chamber advocates for safe, sustainable, harmonized and competitive policy and regulation that recognizes the marine transportation system’s significant advantages in the Great Lakes, St. Lawrence, Coastal and Arctic regions.