2022 NAICS industry in sector 48-49 Transportation and Warehousing
48321 Inland Water Transportation
NAICS 48321 is the US industry code for inland water transportation. It covers establishments primarily engaged in providing inland water transportation of passengers and/or cargo on lakes, rivers, or intracoastal waterways (except on the Great Lakes System).
Official definition
This industry comprises establishments primarily engaged in providing inland water transportation of passengers and/or cargo on lakes, rivers, or intracoastal waterways (except on the Great Lakes System).
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Providing water transportation in deep sea, coastal, or on the Great Lakes System are classified in Industry Group 4831, Deep Sea, Coastal, and Great Lakes Water Transportation.
- Providing scenic and sightseeing water transportation, such as harbor cruises and charter fishing boat operations are classified in Industry 48721, Scenic and Sightseeing Transportation, Water.
- Operating floating casinos (i.e., gambling cruises, riverboat gambling casinos) are classified in Industry 71321, Casinos (except Casino Hotels).
- Renting yachts and pleasure boats, such as houseboats and sailboats, without crew are classified in Industry 53228, Other Consumer Goods Rental.
- Renting or leasing commercial boats (including vessel supply services), without crew are classified in Industry 53241, Construction, Transportation, Mining, and Forestry Machinery and Equipment Rental and Leasing.
Codes in 48321
Data last changed November 14, 2026. How this page is built.