2022 NAICS national industry in sector 48-49 Transportation and Warehousing
482111 Line-Haul Railroads
NAICS 482111 is the US industry code for line-haul railroads. This U.S.
- Code
- 482111 (2022 NAICS)
- Title
- Line-Haul Railroads
- Part of
- Rail Transportation
- SBA small business limit
- Up to 1,500 employees
- Closest UK SIC
- 49100 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments known as line-haul railroads primarily engaged in operating railroads for the transport of passengers and/or cargo over a long distance within a rail network. These establishments provide for the intercity movement of trains between the terminals and stations on main and branch lines of a line-haul rail network (except for local switching services).
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Operating switching and terminal facilities as separate establishments are classified in Industry 488210, Support Activities for Rail Transportation.
- Operating railroads over a short distance on local rail lines are classified in U.S. Industry 482112, Short Line Railroads.
- Operating commuter rail systems are classified in U.S. Industry 485112, Commuter Rail Systems.
Activities listed under 482111
The Census index assigns these 5 activities to this code. If your business matches one, this is your code.
- Freight railways, line-haul
- Passenger railways, line-haul
- Railroad transportation, line-haul
- Railroads, line-haul
- Railway transportation, line-haul
SBA size standard for 482111
To count as a small business for SBA loans and federal contracts under NAICS 482111, your business (including affiliates) must not exceed 1,500 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4911, 4912), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.