The St. Lawrence Seaway Management Corporation is a Canadian organization responsible for the operation and maintenance of the St. Lawrence Seaway, a vital waterway that connects the Great Lakes to the Atlantic Ocean. This seaway facilitates international trade by allowing large vessels to transport goods efficiently between North America and global markets. Established in 1959, the corporation oversees navigation, safety, and environmental protection along the seaway. It collaborates with various stakeholders, including the U.S. Army Corps of Engineers and local communities, to ensure the seaway remains a key transportation route for industries relying on maritime shipping.