NAICS Code 482111 — Line-Haul Railroads

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 48211 (Rail Transportation).

Code	482111
Title	Line-Haul Railroads
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,500 employees

Official definition (2022 NAICS)

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).

Is a business under 482111 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 482111 qualifies as a small business if it does not exceed 1,500 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 482111 sits in the hierarchy

Level	Code	Title
Sector	48-49	Transportation and Warehousing
Subsector	482	Rail Transportation
Industry Group	4821	Rail Transportation
NAICS Industry	48211	Rail Transportation
National Industry	482111	Line-Haul Railroads

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
4011	Railroads, Line-Haul Operating

Related National Industry codes

• 482112 — Short Line Railroads

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.