NAICS Code 488999 — All Other Support Activities for Transportation

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 48899 (Other Support Activities for Transportation).

Code488999
TitleAll Other Support Activities for Transportation
LevelNational Industry (6-digit)
EditionNAICS 2022 edition
SBA size standard$25 million in average annual receipts

Official definition (2022 NAICS)

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)

Is a business under 488999 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 488999 qualifies as a small business if it does not exceed $25 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

Where 488999 sits in the hierarchy

LevelCodeTitle
Sector48-49Transportation and Warehousing
Subsector488Support Activities for Transportation
Industry Group4889Other Support Activities for Transportation
NAICS Industry48899Other Support Activities for Transportation
National Industry488999All Other Support Activities for Transportation

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC codeTitle
4729Arrangement of Passenger Transportation, Not Elsewhere Classified
4789Transportation Services, Not Elsewhere Classified

Related National Industry codes

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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.