NAICS 237990
Other Heavy and Civil Engineering Construction
Sector: Construction
Dredging and surface cleanup work carries a separate, higher size standard. Confirm the standard cited on the solicitation.
- U.S. Army Corps of Engineers
- Naval Facilities Engineering Systems Command
- Department of Transportation
Open opportunities in NAICS 237990
Updated August 24, 20261,459active solicitations
Most active buyers
- Department of Defense995
- Interior, Department of the214
- Department of Agriculture112
- Department of Veterans Affairs70
- Department of Homeland Security32
Most common set-asides
- Unrestricted621
- Total Small Business Set-Aside (FAR 19.5)413
- No Set aside used194
- Small Business Set Aside - Total103
- Service-Disabled Veteran-Owned Small Business Set Aside58
Counts reflect active contract opportunities ingested from SAM.gov and refresh daily. Figures move as solicitations are posted, amended, and closed.
Description
Heavy and civil engineering construction not classified elsewhere — dams, marine facilities, dredging, and similar large civil works.
Common uses in federal contracting
- Dredging and waterway maintenance
- Dam, levee, and flood control works
- Marine and waterfront construction
How to use this NAICS
Add NAICS 237990 to your SAM.gov entity profile to be identified as a provider in this industry. If you are a small business under the $45.0M size standard, you qualify for small-business set-asides in this code.
See our guide to federal set-asides for a walk-through of which programs you can stack on top of this NAICS.