NAICS 237110 contractors: Water and Sewer Line and Related Structures Construction
57 federal prime contractors list NAICS 237110 as their primary industry. Together they received $1.4B in prime contract obligations in the latest 12 months. The largest by obligations since FY2022 is PCL Construction Inc, and most are headquartered in California, Texas, and Washington.
All 57 contractors
Ranked by prime contract obligations since FY2022, across all their NAICS codes. Open a profile for top agencies, recent awards, and contracts ending soon.
Prime contract obligations from USAspending.gov through Oct 5, 2026. A contractor's primary NAICS is the code with the most obligations since FY2022. For the largest contractors in this NAICS by obligations under it, see the NAICS 237110 market page. To search by name, UEI, or CAGE code, use the contractor directory.

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