NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

433 active contract opportunities

433

Active Opportunities

357

Posted Last 7 Days

30 days

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Top Industries

Water and Sewer Line and Related Structures Construction290
Power and Communication Line and Related Structures Construction96
NAICS 237110 Water and Sewer Line and Related Structures Construction24
Oil and Gas Pipeline and Related Structures Construction23

Set-Aside Distribution

163
Small Business148
Full & Open32
SDVOSB28
No Set Aside14

Top Locations

CA52
VA43
CO28
OK24
MT21

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 Subdivision 2373:Highway, Street, and Bridge Co...2379:Other Heavy and Civil Engineer...2381:Foundation, Structure, and Bui...

Tri-City IPS Improvements – Early Work Amendment 1

Small Business Administration (SBA)

Posted Jun 21, 2026

Due Jul 14, 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)

Y-North Gunnison Substation 115kV Switch Install

ENERGY, DEPARTMENT OF

Posted Jun 20, 2026

Due Jul 6, 2026

Y-Cape Cod National Seashore - Replace PLVC Septic S

INTERIOR, DEPARTMENT OF THE

Posted Jun 19, 2026

Due Jun 26, 2026

ZONE 2 WATERLINE AND SERVICE RELOCATION IN THE BLOOMINGTON AREA, 7TH STREET, 9TH STREET, LINDEN AVENUE AND CEDAR AVENUE - PH

Small Business Administration (SBA)

Posted Jun 19, 2026

Due Jul 23, 2026

Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation

NNSS Test Well Drilling and Pumping Test

Small Business Administration (SBA)

Posted Jun 19, 2026

Due Jul 7, 2026

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)

Sanitary Sewer Main M-245 Parallel Relief Pipeline Part 1

Small Business Administration (SBA)

Posted Jun 19, 2026

Due Jul 16, 2026

Small Business (SB)

Y-Cottonwood Substation Construction, Stage 02, Phas

ENERGY, DEPARTMENT OF

Posted Jun 18, 2026

Due Jul 6, 2026

Tres Piedras Waterline Replacement

AGRICULTURE, DEPARTMENT OF

Albuquerque, NM

Posted Jun 18, 2026

Due Jul 1, 2026

FPC Yankton - Above Ground Storage Tanks

JUSTICE, DEPARTMENT OF

Posted Jun 18, 2026

Due Jul 17, 2026

Temporary Sewer Line at Coast Guard Academy

HOMELAND SECURITY, DEPARTMENT OF

Posted Jun 18, 2026

Due Jul 3, 2026

Z-Walker Fork Water Well Redevelopment

INTERIOR, DEPARTMENT OF THE

Posted Jun 18, 2026

Due Jun 26, 2026

Scattered Sites Well Drilling Project CA22-D46 / EDO-295-D46

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

Posted Jun 18, 2026

Due Jul 13, 2026

WVWD Zone 2 Waterline and Service Relocation in the Bloomington Area, 7th St, 9th St, Linden Ave and Cedar Ave- Phase IIIB

Small Business Administration (SBA)

Posted Jun 18, 2026

Due Jul 23, 2026

Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Bradley Field Tank Repairs

DEPT OF DEFENSE

Posted Jun 18, 2026

Due Jun 29, 2026

Two Phase Design-Build/Design-Bid-Build (DB/DBB) Multiple Award Task Order Contract (MATOC) for Construction of the Ground Based Strategic Deterrent (GBSD) Utility Corridor (UC) at Francis E. Warren Air Force Base (FEW AFB), Wyoming (WY)

DEPT OF DEFENSE

Posted Jun 18, 2026

Due Jul 8, 2026

Z-FOSM - Replace Backflow Prevention Assemblies

INTERIOR, DEPARTMENT OF THE

Posted Jun 18, 2026

Due Jun 26, 2026

Rosebud Lift Station Construction

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

Posted Jun 18, 2026

Due Jul 20, 2026

Y-GRCA 318719_Temporary WWTP at North Rim

INTERIOR, DEPARTMENT OF THE

Posted Jun 18, 2026

Due Jul 15, 2026

Fort Simcoe Job Corps Center Water System Renovation

AGRICULTURE, DEPARTMENT OF

Posted Jun 18, 2026

FCI Texarkana Project 26Z5AK9

JUSTICE, DEPARTMENT OF

Posted Jun 18, 2026

Due Jun 29, 2026

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