NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

561 active contract opportunities

561

Active Opportunities

449

Posted Last 7 Days

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Top Industries

  • Water and Sewer Line and Related Structures Construction390
  • Power and Communication Line and Related Structures Construction116
  • Oil and Gas Pipeline and Related Structures Construction31
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24

Set-Aside Distribution

  • 233
  • Small Business103
  • Small Business Set Aside - Total60
  • Full & Open51
  • SDVOSB32

Top Locations

  • CA85
  • VA58
  • CO37
  • OK27
  • WA27

About NAICS2371

The North American Industry Classification System (NAICS) code 2371 covers utility system construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

2361:Residential Building Construct...2362:Nonresidential Building Constr...2372:Land Subdivision2373:Highway, Street, and Bridge Co...2379:Other Heavy and Civil Engineer...2381:Foundation, Structure, and Bui...

Z-MT-CRESTON NFH-WELL ABANDONMENT

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Aug 20, 2026

Y-Beresford Substation Stage 11, South Dakota

ENERGY, DEPARTMENT OF
BILLINGS, MT
NAICS 237130
Posted Aug 20, 2026

Y1ND-621-22-109 - AJP-Replace Site UG Sanitary and Storm Sewer Piping

VETERANS AFFAIRS, DEPARTMENT OF
MURFREESBORO, TN
NAICS 237110
Posted Aug 19, 2026
SDVOSB

Construction of RP-5 Offsite Facilities Project EN19001.03 and Butterfield Lift Station Improvements Project EN26054

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 18, 2026
Due Oct 6, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

GAOA Grand Isle NRA Water System Improvement

AGRICULTURE, DEPARTMENT OF
GLADSTONE, MI
NAICS 237110
Posted Aug 18, 2026
Small Business Set Aside - Total

City of McMechen, West Virginia, Stormwater Project - Section 219

DEPT OF DEFENSE
PITTSBURGH, PA
NAICS 237110
Posted Aug 14, 2026
Small Business Set Aside - Total

Full and Open Competition for Outside Runway PAPI, Vance AFB

DEPT OF DEFENSE
ENID, OK
NAICS 237130
Posted Aug 14, 2026
No Set Aside

Tepee Work Center Well Pump Replacement

AGRICULTURE, DEPARTMENT OF
Washington, DC
NAICS 237110
Posted Aug 14, 2026
Small Business Set Aside - Total

Pike Underground Utility Upgrade

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Aug 13, 2026
Small Business Set Aside - Total

Z2DA-Emergency Water Main Break Sprinkler Feed Bldg. 5/7

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 237110
Posted Aug 12, 2026

BRINE PIPELINE ACCESS IMPROVEMENTS

DEPT OF DEFENSE
LOS ANGELES, CA
NAICS 237110
Posted Aug 12, 2026
Due Feb 4, 2027
Small Business Set Aside - Total

Y-ASIS - REHABILITATE MD DEVELOPED ZONE WATER SYSTEM

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 237110
Posted Aug 12, 2026

Contractor shall furnish and install a Septic Tank Drain Field for SR#584 in White Cloud, KS (Brown County)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
OKLAHOMA CITY, OK
NAICS 237110
Posted Aug 12, 2026
Small Business Set Aside - Total

J-Yosemite Valley Sewer Line and Manhole Repairs

INTERIOR, DEPARTMENT OF THE
SAN FRANCISCO, CA
NAICS 237110
Posted Aug 11, 2026

GAOA Chilao Campground Water System Rehabilitation, Angeles National Forest

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Aug 11, 2026
Small Business Set Aside - Total

Nez Perce - Clearwater National Forest - Kelly Forks Work Center Emergency Electrical Repairs

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237130
Posted Aug 11, 2026
Small Business Set Aside - Total

Y-Sidney Substation Breaker Replacement

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Aug 11, 2026

P-716 Red Hill Water Treatment Facility, JBPHH HI

DEPT OF DEFENSE
PEARL HARBOR, HI
NAICS 237110
Posted Aug 11, 2026

Cable Relocation Pleasant Valley

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237130
Posted Aug 10, 2026
No Set Aside

Z-BISO MAINT TO BANDY CREEK WATER TANK

INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 237110
Posted Aug 7, 2026
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