Short Line Railroads

Transportation and Warehousing › Rail Transportation › Rail Transportation

SBA Size Standard

1,500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

Sector

Transportation and Warehousing

482

Subsector

Rail Transportation

4821

Industry Group

Rail Transportation

482112

National Industry (This Code)

Short Line Railroads

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

This U.S. industry comprises establishments known as short-line railroads primarily engaged in operating railroads for the transport of cargo over a short distance on local rail lines not part of a rail network.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 482112

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.

Cross-References

The following activities are classified elsewhere in the NAICS system:

→Operating street railroads, commuter rail, and urban rapid transit systems--are classified in Industry Group 4851, Urban Transit Systems;

→Operating scenic and sightseeing trains--are classified in Industry 487110, Scenic and Sightseeing Transportation, Land;

→Operating switching and terminal facilities as separate establishments--are classified in Industry 488210, Support Activities for Rail Transportation; and

→Operating railroads for the transport of passengers and/or cargo over a long distance--are classified in U.S. Industry 482111, Line-Haul Railroads.

How to Use NAICS 482112 in SAM.gov

NAICS code 482112 — Short Line Railroads — 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 Rail 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 1,500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 482112.

Frequently Asked Questions

What is NAICS code 482112?

NAICS code 482112 is 'Short Line Railroads', classified under the Transportation and Warehousing sector (NAICS 48). This U.S. industry comprises establishments known as short-line railroads primarily engaged in operating railroads for the transport of cargo over a short distance on local rail lines not part of a ra

What is the SBA small business size standard for NAICS code 482112?

The SBA defines a small business under NAICS code 482112 (Short Line Railroads) as one with 1,500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 482112 in SAM.gov?

To register NAICS code 482112 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 482112 (Short Line Railroads) to your NAICS code list. You may designate one code as your Primary NAICS code.