482111 — Line-Haul Railroads
Description
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) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- 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; and
- Operating commuter rail systems--are classified in U.S. Industry 485112, Commuter Rail Systems.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4011 - Railroads, Line-Haul Operating (via SIC1987:4011→NAICS1997:482111→2002:482111→2007:482111→2012:482111→2017:482111→2022:482111)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC V121 — Air Charter for Things
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 482111 valid in 2022? ▾
Yes, 482111 is a valid 6-digit 2022 NAICS national industry code representing 'Line-Haul Railroads' under Sector 48-49 in the official classification index.
What is the SBA size standard for NAICS code 482111? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,500 employees for NAICS code 482111 (Line-Haul Railroads), calculated based on employees.
What is the legacy SIC equivalent for NAICS 482111? ▾
According to official Census Bureau concordance tables, NAICS code 482111 (Line-Haul Railroads) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4011 - Railroads, Line-Haul Operating.
Related Pages & Tools
Further regulatory reference links for NAICS code 482111:
- Sector 48-49 Directory Hub — List of related industries in the Transportation and Warehousing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 482111 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Line-Haul Railroads).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.