NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

450 active contract opportunities

450

Active Opportunities

379

Posted Last 7 Days

30 days

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Top Industries

  • Water and Sewer Line and Related Structures Construction312
  • Power and Communication Line and Related Structures Construction92
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24
  • Oil and Gas Pipeline and Related Structures Construction22

Set-Aside Distribution

  • 176
  • Small Business141
  • Full & Open44
  • SDVOSB28
  • Buy Indian12

Top Locations

  • CA66
  • VA46
  • CO27
  • 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 Subdivision2373:Highway, Street, and Bridge Co...2379:Other Heavy and Civil Engineer...2381:Foundation, Structure, and Bui...

N091-PROJECT # 528-18-110 Fuel Oil Tank Replacement BUFFALO VAMC

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 237120
Posted Jul 27, 2026
Due Aug 11, 2026
SDVOSB

Calcasieu Wells 9 & 10

Small Business Administration (SBA)
LA
NAICS 237110
Posted Jul 26, 2026
Due Aug 11, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

1W Lift Station North Express Parking for Dallas Fort Worth International Airport (DFW)

Small Business Administration (SBA)
TX
NAICS 237110
Posted Jul 26, 2026
Due Aug 5, 2026
Small Disadvantaged Business (SDB)

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 Jul 25, 2026
Due Aug 3, 2026
Small Business

Y-Rifle (RFL) Substation Communications Tower

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Jul 24, 2026
Due Aug 7, 2026

USFWS FLINT HILLS NWR, KS - PUMP REPLACEMEN

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Jul 24, 2026
Due Aug 24, 2026
Small Business

Z2NE-CON Project 667-22-118, Replacement Underground Water Tanks

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 237110
Posted Jul 24, 2026
Due Aug 7, 2026

Y-Weld Substation Stage 05

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Jul 24, 2026
Due Aug 5, 2026

WWTP REPAIR CLARIFIER #2

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237110
Posted Jul 24, 2026
Due Aug 19, 2026
8(a) Competed

P210 ELECTRIC POWER PLANT AND ELECTRICAL DISTRIBUTION SYSTEM AT CHABELLEY AIRFIELD, DJIBOUTI

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237130
Posted Jul 24, 2026
Due Aug 5, 2026

Y-COTP Series Capacitor Two-Phase Design Build

ENERGY, DEPARTMENT OF
FOLSOM, CA
NAICS 237130
Posted Jul 24, 2026
Due Sep 30, 2026

Repair Water Tower B738

DEPT OF DEFENSE
GOODFELLOW AFB, TX
NAICS 237110
Posted Jul 24, 2026
Due Aug 24, 2026
Small Business

RFI for NBSFS Water Tank Maintenance

DEPT OF DEFENSE
HANSCOM AFB, MA
NAICS 237110
Posted Jul 24, 2026
Due Aug 5, 2026
Small Business

MONITORING WELL ABANDONMENT, EASTON MD

INTERIOR, DEPARTMENT OF THE
RESTON, VA
NAICS 237110
Posted Jul 24, 2026
Due Aug 6, 2026
Small Business

Repair Natural Gas Phase 1 and Phase 2 Base Wide, Vance AFB, OK

DEPT OF DEFENSE
ENID, OK
NAICS 237120
Posted Jul 24, 2026
Due Aug 25, 2026
No Set Aside

178th Wing Base Microgrid Construction

DEPT OF DEFENSE
SPRINGFIELD, OH
NAICS 237130
Posted Jul 24, 2026
Due Aug 14, 2026
Small Business

DDJC CENTRALIZED GAS AND ELECTIC METERING, TRACY, CA

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 237130
Posted Jul 23, 2026
Due Aug 13, 2026
WOSB

South Treatment Plant Dissolved Air Floatation Thickener Tanks Rehabilitation Project

Small Business Administration (SBA)
WA
NAICS 237110
Posted Jul 23, 2026
Due Aug 12, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Y-COMMUNICATIONS SITE INFRASTRUCTURE IDIQ

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237130
Posted Jul 23, 2026
Due Aug 6, 2026
Small Business

XUMU 20260001 OSP Oak Mountain Fiber Relocation

DEPT OF DEFENSE
VANDENBERG SFB, CA
NAICS 237130
Posted Jul 23, 2026
Due Aug 21, 2026
Small Business
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