2022 NAICS national industry in sector 23 Construction

238990 All Other Specialty Trade Contractors

NAICS 238990 is the US industry code for all other specialty trade contractors. It covers establishments primarily engaged in specialized trades (except foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors).

Code
238990 (2022 NAICS)
Title
All Other Specialty Trade Contractors
Part of
Other Specialty Trade Contractors
SBA small business limit
Average annual receipts up to $19 million (plus 1 exception, below)
Closest UK SIC
42110, 42120, 42130, 43910 and 2 more (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments primarily engaged in specialized trades (except foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors). The specialty trade work performed includes new work, additions, alterations, maintenance, and repairs.

Examples Census gives

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Source: US Census Bureau, 2022 NAICS cross-references.

Businesses that use this code

Activities listed under 238990

The Census index assigns these 48 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 238990

To count as a small business for SBA loans and federal contracts under NAICS 238990, your business (including affiliates) must not exceed $19 million in average annual receipts. Check your business.

Exceptions within 238990
ActivitySize standard
Building and Property Specialty Trade Services$19 million

SBA footnote 13: NAICS code 238990 – Building and Property Specialty Trade Services: If a procurement requires the use of multiple specialty trade contractors (i.e., plumbing, painting, plastering, carpentry, etc.), and no specialty trade accounts for 50% or more of the value of the procurement, all such specialty trade contractors activities are considered a single activity and classified as Building and Property Specialty Trade Services.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4210, 4390), so treat them as a starting point and check the definition.

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

Data last changed November 14, 2026. How this page is built.