Transportation and Warehousing › Water Transportation › Inland Water Transportation
Sector
Transportation and Warehousing
Subsector
Water Transportation
Industry Group
Inland Water Transportation
National Industry (This Code)
Inland Water Freight Transportation
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
1,050 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 483211
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
The following activities are classified elsewhere in the NAICS system:
NAICS code 483211 — Inland Water Freight Transportation — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Inland Water Transportation space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,050 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 483211.
NAICS code 483211 is 'Inland Water Freight Transportation', classified under the Transportation and Warehousing sector (NAICS 48). This U.S. industry comprises establishments primarily engaged in providing inland water transportation of cargo on lakes, rivers, or intracoastal waterways (except on the Great Lakes System). Cross-R
The SBA defines a small business under NAICS code 483211 (Inland Water Freight Transportation) as one with 1,050 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 483211 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 483211 (Inland Water Freight Transportation) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Inland Water Transportation
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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