This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in transporting freight on all inland waterways, except the Great Lakes- St. Lawrence seaway. Also included are the intercostals waterways on the Atlantic and Gulf coasts.

Cross-References. Establishments primarily engaged in--

• Providing freight transportation in coastal waters, on the Great Lakes System, or deep seas between ports of the United States, Puerto Rico, and United States island possessions or protectorates--are classified in 483113, Coastal and Great Lakes Freight Transportation;
• Operating ferries on inland waters for transportation of passengers or vehicles--are classified in U.S. Census Bureau NAICS-based industry 4832121, Inland Waterways Ferry Transportation; and
• Providing towing services on inland waterways--are classified in U.S. Census Bureau NAICS-based industry 4832112, Inland Waterways Towing Transportation.