NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

450 active contract opportunities

450

Active Opportunities

366

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

Water and Sewer Line and Related Structures Construction306
Power and Communication Line and Related Structures Construction98
NAICS 237110 Water and Sewer Line and Related Structures Construction24
Oil and Gas Pipeline and Related Structures Construction22

Set-Aside Distribution

176
Small Business148
Full & Open35
SDVOSB29
No Set Aside13

Top Locations

CA54
VA46
CO32
OK26
WA25

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...

CBP#9236 Sanitary Sewer Lateral Replacement and Site Restoration

Small Business Administration (SBA)

Posted Jul 12, 2026

Due Jul 30, 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)

Interceptor Line Assessment

Small Business Administration (SBA)

Posted Jul 11, 2026

Due Jul 30, 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)

Install New FOC from ITB 910 to ITB 1365

DEPT OF DEFENSE

Posted Jul 10, 2026

Due Jul 27, 2026

Y-GRCA 318719_Temporary WWTP at North Rim

INTERIOR, DEPARTMENT OF THE

Posted Jul 10, 2026

Due Jul 29, 2026

Gavins Point Raw Water Intake Zebra Mussel Mitigation

DEPT OF DEFENSE

Posted Jul 10, 2026

Due Jul 27, 2026

Waterline Project in Louisville, KY

Small Business Administration (SBA)

Posted Jul 10, 2026

Due Jul 28, 2026

Women-Owned Small Business (WOSB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Irrigation System Installation Station Umpqua River

HOMELAND SECURITY, DEPARTMENT OF

Posted Jul 10, 2026

Due Jul 29, 2026

Notice of Intent to Award - NWESTCO, LLC

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

WINDOW ROCK, AZ

Posted Jul 10, 2026

Due Jul 25, 2026

178th Wing Base Microgrid Construction

DEPT OF DEFENSE

SPRINGFIELD, OH

Posted Jul 10, 2026

Due Aug 3, 2026

NBSFS-003 RFI Overhead Power Lines

DEPT OF DEFENSE

HANSCOM AFB, MA

Posted Jul 10, 2026

Due Jul 27, 2026

Repair Airfield Stormwater Drainage Phase II

DEPT OF DEFENSE

DOBBINS AFB, GA

Posted Jul 10, 2026

Due Aug 11, 2026

Waterline Boring at Fall River Lake, KS

DEPT OF DEFENSE

Posted Jul 10, 2026

Due Aug 4, 2026

LIFT STATION REDESIGN B20128

DEPT OF DEFENSE

Posted Jul 10, 2026

Due Jul 17, 2026

Pike Underground Utility Upgrade

AGRICULTURE, DEPARTMENT OF

Posted Jul 10, 2026

Due Jul 20, 2026

Design-Bid-Build (DBB) Repair of Storm Sewer Water and Sanitary Sewer Systems, Caserma Miotto, Longare, Vicenza, Italy.

DEPT OF DEFENSE

Posted Jul 10, 2026

Due Jul 22, 2026

19PK4026Q5015 - PR16124333 KHI-P&S: REPLENISHMENT FOR RO PLANT

STATE, DEPARTMENT OF

Posted Jul 10, 2026

Due Jul 24, 2026

Y-KS-FLINT HILLS NWR-PUMP REPLACEMENT

INTERIOR, DEPARTMENT OF THE

Falls Church, VA

Posted Jul 9, 2026

Due Jul 24, 2026

ACRx Tesuque Peak and Sandia Crest, New Mexico

JUSTICE, DEPARTMENT OF

Posted Jul 9, 2026

Due Jul 16, 2026

Contractor shall furnish and install a water service line for SR#4478 in Sand Springs, OK (Osage Co.) in accordance with attached Statement of Work and drawing.

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

OKLAHOMA CITY, OK

Posted Jul 9, 2026

Due Jul 20, 2026

Solicitation N4008426Q7502DBB UFC Repair Aboveground Fuel Storage, ABAB, Palawan, Philippines

DEPT OF DEFENSE

Posted Jul 9, 2026

Due Aug 18, 2026

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