485210

Interurban and Rural Bus Transportation

Transportation and Warehousing › Transit and Ground Passenger Transportation › Interurban and Rural Bus Transportation

SBA Size Standard

$32M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

48

Sector

Transportation and Warehousing

485

Subsector

Transit and Ground Passenger Transportation

4852

Industry Group

Interurban and Rural Bus Transportation

485210

National Industry (This Code)

Interurban and Rural Bus Transportation

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments primarily engaged in providing bus passenger transportation over regular routes and on regular schedules, principally outside a single 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

$32M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 485210

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:

Providing scenic and sightseeing transportation using buses--are classified in Industry 487110, Scenic and Sightseeing Transportation, Land;
Providing buses for charter--are classified in Industry 485510, Charter Bus Industry;
Operating local and suburban bus transit systems (except mixed mode)--are classified in U.S. Industry 485113, Bus and Other Motor Vehicle Transit Systems; and
Operating independent bus terminals--are classified in Industry 488490, Other Support Activities for Road Transportation.

How to Use NAICS 485210 in SAM.gov

NAICS code 485210Interurban and Rural Bus Transportation — 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 Interurban and Rural Bus 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 $32M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 485210.

Log in Entity Registration Goods & Services Add NAICS Code Enter 485210 Save

Frequently Asked Questions

What is NAICS code 485210?

NAICS code 485210 is 'Interurban and Rural Bus Transportation', classified under the Transportation and Warehousing sector (NAICS 48). This industry comprises establishments primarily engaged in providing bus passenger transportation over regular routes and on regular schedules, principally outside a single metropolitan area and its

What is the SBA small business size standard for NAICS code 485210?

The SBA defines a small business under NAICS code 485210 (Interurban and Rural Bus Transportation) as one with $32M 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 485210 in SAM.gov?

To register NAICS code 485210 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 485210 (Interurban and Rural Bus Transportation) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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