NAICS Code 238910 — Site Preparation Contractors

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 23891 (Site Preparation Contractors).

Code	238910
Title	Site Preparation Contractors
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$19 million in average annual receipts

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in site preparation activities, such as excavating and grading, demolition of buildings and other structures, and septic system installation. Earthmoving and land clearing for all types of sites (e.g., building, nonbuilding, mining) is included in this industry. Establishments primarily engaged in construction equipment rental with operator (except cranes) are also included.

Illustrative Examples:

Blasting, building demolition

Building interior gutting and stripping

Concrete breaking and cutting for demolition

Cutting new rights of way

Demolition, building and structure

Exterior demolition contractors

Foundation digging (i.e., excavation)

Foundation drilling contractors

Grading construction sites

Interior demolition contractors

Dewatering contractors

Dirt moving for construction

Equipment rental (except crane), construction, with operator

Excavating, earthmoving, or land clearing contractors

Line slashing or cutting (except maintenance)

Septic system contractors

Trenching (except underwater)

Underground tank (except hazardous) removal

Wrecking, building or other structure

Whole building deconstruction

Is a business under 238910 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 238910 qualifies as a small business if it does not exceed $19 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 238910 sits in the hierarchy

Level	Code	Title
Sector	23	Construction
Subsector	238	Specialty Trade Contractors
Industry Group	2389	Other Specialty Trade Contractors
NAICS Industry	23891	Site Preparation Contractors
National Industry	238910	Site Preparation Contractors

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 code	Title
1081	Metal Mining Services
1241	Coal Mining Services
1389	Oil and Gas Field Services, Not Elsewhere Classified
1481	Nonmetallic Minerals Services, Except Fuels
1629	Heavy Construction, Not Elsewhere Classified
1711	Plumbing, Heating and Air-Conditioning
1794	Excavation Work
1795	Wrecking and Demolition Work
1799	Special Trade Contractors, Not Elsewhere Classified
7353	Heavy Construction Equipment Rental and Leasing

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.