NAICS 237110
Water and Sewer Line and Related Structures Construction
Sector: Construction
SBA size standard
$45.0M
Top buying agencies
- U.S. Army Corps of Engineers
- Department of Defense
- Department of Veterans Affairs
Open opportunities in NAICS 237110
Updated August 24, 2026505active solicitations
Most active buyers
- Department of Defense181
- Interior, Department of the163
- Department of Agriculture45
- Department of Veterans Affairs39
- Department of Health and Human Services38
Most common set-asides
- Total Small Business Set-Aside (FAR 19.5)209
- Unrestricted140
- Small Business Set Aside - Total55
- No Set aside used39
- Service-Disabled Veteran-Owned Small Business Set Aside21
Counts reflect active contract opportunities ingested from SAM.gov and refresh daily. Figures move as solicitations are posted, amended, and closed.
Description
Establishments primarily engaged in constructing water and sewer lines, mains, pumping stations, and treatment plants.
Common uses in federal contracting
- Base water and wastewater infrastructure
- Treatment plant construction and upgrade
- Utility line replacement
How to use this NAICS
Add NAICS 237110 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.