NAICS 2022 industry USA Verified: Census NAICS 2022 · 2026-01-01
48321
NAICS 48321 — Inland Water Transportation
Inland Water Transportation
NAICS 48321 is the NAICS industry code for inland water transportation establishments in the United States. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
Child industry codes in 48321 (2)
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- water transportation on the Great Lakes (See 48311 Deep sea, coastal and Great Lakes water transportation)
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.