Division E: Transportation, Communications, Electric, Gas, And Sanitary Services | Major Group 44: Water Transportation | Industry Group 443: Freight Transportation On The Great Lakes-st.

4432 Freight Transportation on the Great Lakes-St. Lawrence Seaway
Establishments primarily engaged in the transportation of freight on the Great Lakes and the St. Lawrence Seaway, either between United States ports or between United States and Canadian ports.

• Great Lakes and St. Lawrence Seaway freight transportation