All Other Support Activities for Transportation

Transportation and Warehousing › Support Activities for Transportation › Other Support Activities for Transportation

SBA Size Standard

$25M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

Sector

Transportation and Warehousing

488

Subsector

Support Activities for Transportation

4889

Industry Group

Other Support Activities for Transportation

488999

National Industry (This Code)

All Other Support Activities for Transportation

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 providing support activities to transportation (except for air transportation; rail transportation; water transportation; road transportation; freight transportation arrangement; and packing and crating). Illustrative Examples: Arrangement of vanpools or car pools (except ridesharing arrangement services) Independent pipeline terminal facilities Stockyards (i.e., not for fattening or selling livestock)

✓ Small Business Eligibility at a Glance

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

Size Standard

$25M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 488999

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 stockyards for fattening livestock--are classified in Subsector 112, Animal Production and Aquaculture;

→Providing tariff and freight rate consulting services--are classified in U.S. Industry 541614, Process, Physical Distribution, and Logistics Consulting Services;

→Providing packing and crating services for transportation (except warehousing)--are classified in U.S. Industry 488991, Packing and Crating;

→Providing warehousing services--are classified in Industry Group 4931, Warehousing and Storage;

→Operating car pools and vanpools--are classified in U.S. Industry 485999, All Other Transit and Ground Passenger Transportation;

→Providing pipeline transportation and storage of natural gas--are classified in Industry 486210, Pipeline Transportation of Natural Gas;

→Providing support activities for air transportation--are classified in Industry Group 4881, Support Activities for Air Transportation;

→Providing support activities for rail transportation--are classified in Industry 488210, Support Activities for Rail Transportation;

→Providing support activities for water transportation--are classified in Industry Group 4883, Support Activities for Water Transportation;

→Providing support activities for road transportation--are classified in Industry Group 4884, Support Activities for Road Transportation;

→Arranging transportation of freight between shippers and carriers--are classified in Industry 488510, Freight Transportation Arrangement; and

→Providing ridesharing arrangement services and taxicab dispatch services--are classified in Industry 485310, Taxi and Ridesharing Services.

How to Use NAICS 488999 in SAM.gov

NAICS code 488999 — All Other Support Activities for 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 Other Support Activities for 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 $25M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 488999.

Frequently Asked Questions

What is NAICS code 488999?

NAICS code 488999 is 'All Other Support Activities for Transportation', classified under the Transportation and Warehousing sector (NAICS 48). This U.S. industry comprises establishments primarily engaged in providing support activities to transportation (except for air transportation; rail transportation; water transportation; road transpor

What is the SBA small business size standard for NAICS code 488999?

The SBA defines a small business under NAICS code 488999 (All Other Support Activities for Transportation) as one with $25M 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 488999 in SAM.gov?

To register NAICS code 488999 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 488999 (All Other Support Activities for Transportation) to your NAICS code list. You may designate one code as your Primary NAICS code.