Industry: 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
Codes Titles Number of US Businesses
4432Freight Transportation On The Great Lakes61
443200Freight transportation on the great lakes61
44320000Freight transportation on the great lakes61