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
✓ Small Business Eligibility at a Glance
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
$19M average annual receipts
Measurement Period
3-year average
Standard Type
Revenue-Based
Applies To
All contracts under NAICS 238910
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:
→Servicing land and subdividing real property into lots for sale to builders--are classified in Industry 237210, Land Subdivision;
→Constructing distribution lines and related buildings and structures for utilities (i.e., water, sewer, petroleum, gas, power, and communication)--are classified in Industry Group 2371, Utility System Construction;
→Earth retention or underwater trenching--are classified in Industry 237990, Other Heavy and Civil Engineering Construction;
→Crane rental with operator--are classified in Industry 238990, All Other Specialty Trade Contractors;
→Overburden removal as an activity prior to mineral removal from quarries or open pit mines--are classified in Sector 21, Mining, Quarrying, and Oil and Gas Extraction;
→Drilling oil and gas field water intake wells--are classified in U.S. Industry 213111, Drilling Oil and Gas Wells;
→Dismantling tanks in oil fields--are classified in U.S. Industry 213112, Support Activities for Oil and Gas Operations;
→Construction equipment rental without an operator--are classified in U.S. Industry 532412, Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing;
→Tree and brush trimming for overhead utility lines--are classified in Industry 561730, Landscaping Services; and
→Nuclear power plant decommissioning and environmental remediation work, such as the removal of underground steel tanks for hazardous materials--are classified in Industry 562910, Remediation Services.
How to Use NAICS 238910 in SAM.gov
NAICS code 238910 — Site Preparation Contractors — 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 Specialty Trade Contractors 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 $19M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 238910.
NAICS code 238910 is 'Site Preparation Contractors', classified under the Construction sector (NAICS 23). 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.
What is the SBA small business size standard for NAICS code 238910?
The SBA defines a small business under NAICS code 238910 (Site Preparation Contractors) as one with $19M 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 238910 in SAM.gov?
To register NAICS code 238910 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 238910 (Site Preparation Contractors) to your NAICS code list. You may designate one code as your Primary NAICS code.