485113

Bus and Other Motor Vehicle Transit Systems

Transportation and Warehousing › Transit and Ground Passenger Transportation › Urban Transit Systems

SBA Size Standard

$32.5M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

48

Sector

Transportation and Warehousing

485

Subsector

Transit and Ground Passenger Transportation

4851

Industry Group

Urban Transit Systems

485113

National Industry (This Code)

Bus and Other Motor Vehicle Transit Systems

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in operating local and suburban passenger transportation systems using buses or other motor vehicles over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.

✓ Small Business Eligibility at a Glance

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

Size Standard

$32.5M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 485113

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 local and suburban passenger transportation systems using both a bus or other motor vehicle and another mode of transport--are classified in U.S. Industry 485111, Mixed Mode Transit Systems;
Providing interurban and rural bus transportation--are classified in Industry 485210, Interurban and Rural Bus Transportation;
Providing bus transportation for students and employees--are classified in Industry 485410, School and Employee Bus Transportation;
Providing scenic and sightseeing transportation using buses or other motor vehicles--are classified in Industry 487110, Scenic and Sightseeing Transportation, Land; and
Providing bus shuttle services (except school and employee bus)--are classified in U.S. Industry 485999, All Other Transit and Ground Passenger Transportation.

How to Use NAICS 485113 in SAM.gov

NAICS code 485113Bus and Other Motor Vehicle Transit Systems — 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 Urban Transit Systems 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 $32.5M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 485113.

Log in Entity Registration Goods & Services Add NAICS Code Enter 485113 Save

Frequently Asked Questions

What is NAICS code 485113?

NAICS code 485113 is 'Bus and Other Motor Vehicle Transit Systems', classified under the Transportation and Warehousing sector (NAICS 48). This U.S. industry comprises establishments primarily engaged in operating local and suburban passenger transportation systems using buses or other motor vehicles over regular routes and on regular sc

What is the SBA small business size standard for NAICS code 485113?

The SBA defines a small business under NAICS code 485113 (Bus and Other Motor Vehicle Transit Systems) as one with $32.5M average annual receipts. 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 485113 in SAM.gov?

To register NAICS code 485113 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 485113 (Bus and Other Motor Vehicle Transit Systems) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Urban Transit Systems

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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