NAICS Code for Excavation Company

The NAICS code for an excavation company is 238910, Site Preparation Contractors. Excavating, earthmoving, land clearing and foundation digging fall under 238910, Site Preparation Contractors. The same code covers renting construction equipment with an operator, except cranes. Trenching to install pipelines is usually heavy construction under 237110.

Primary NAICS code
238910
SBA size standard
$19 million or less in average annual receipts
Open federal contracts
5

Related codes to add

Most businesses list several NAICS codes. Use 238910 as your primary if it covers most of your revenue, and add these when they describe work you also do:

CodeUse it whenSize standard
237110
Water and Sewer Line and Related Structures Construction
You dig trenches and lay water, sewer or drainage lines.$45 million or less in receipts
237990
Other Heavy and Civil Engineering Construction
You build anchored earth retention systems or do dredging.$45 million or less in receipts
562910
Remediation Services
You excavate contaminated soil as part of a cleanup.$25 million or less in receipts

Government contracts for this work

How to choose

Your primary NAICS code should match the work that brings in most of your revenue, and it sets which size standard applies to you for most set-aside contracts. Read each code's Census definition before you register. Our guide on how to choose NAICS codes covers the trade-offs. To see whether you count as small under these codes, try the size standard checker.

Frequently asked questions

What is the NAICS code for an excavation company?

The NAICS code for an excavation company is 238910, Site Preparation Contractors. Excavating, earthmoving, land clearing and foundation digging fall under 238910, Site Preparation Contractors. The same code covers renting construction equipment with an operator, except cranes. Trenching to install pipelines is usually heavy construction under 237110.

What is the SBA size standard for NAICS 238910?

A business counts as small under NAICS 238910 with $19 million or less in average annual receipts, under the SBA's table of size standards. Federal contracts set aside for small businesses under this code are limited to firms that meet it.

Can I list more than one NAICS code?

Yes. In your SAM.gov registration you pick one primary NAICS code and can add as many others as describe work you can actually do. Add every code below that fits, because agencies search and set aside contracts by code.