NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

561 active contract opportunities

561

Active Opportunities

449

Posted Last 7 Days

30 days

Avg Response Window

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...

SEWER REHABILITATION

Small Business Administration (SBA)
VA
NAICS 237110
Posted Sep 24, 2026
Due Oct 7, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

BITTERROOT NATIONAL FOREST - Sula & West Fork Residential Sewer Cleanouts

AGRICULTURE, DEPARTMENT OF
HAMILTON, MT
NAICS 237110
Posted Sep 23, 2026
Small Business Set Aside - Total

Freedom Connection Natural Gas Pipeline

DEPT OF DEFENSE
SAN JUAN, PR
NAICS 237120
Posted Sep 23, 2026
Due Oct 8, 2026
No Set Aside

J-WI UPR MS RIV NWF GEOTHERMAL HEAT PUMP REPAIR

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Sep 23, 2026

WWTP REPAIR CLARIFIER #2

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237110
Posted Sep 23, 2026
8(a) Set-Aside

Fort Mifflin Sewage Lift Station

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237110
Posted Sep 23, 2026
Due Oct 8, 2026
Small Business Set Aside - Total

MCT-FAC-RSTR7901-Chancery Main Waterline Replacement

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237110
Posted Sep 23, 2026

Teresa Thurston Replacement OSS

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SEATTLE, WA
NAICS 237110
Posted Sep 23, 2026
Small Business Set Aside - Total

Regional Water Recycling Plant No. 5 (RP-5) Offsite Facilities and Butterfield Lift Station Improvements Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 23, 2026
Due Oct 15, 2026
SBA-certified HUBZone Small Business (HUBZone SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Northside High School Area – Sanitary Sewer Rehabilitation in Houston, TX

Small Business Administration (SBA)
TX
NAICS 237110
Posted Sep 23, 2026
Due Oct 6, 2026
Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

City of Lomita: Zone G Water Main Replacement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 23, 2026
Due Oct 19, 2026
Small Business (SB), SBA-certified HUBZone Small Business (HUBZone SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Y-EO14398 REHAB WATERLINE FOR FIRE FLOW - GLBA

INTERIOR, DEPARTMENT OF THE
ANCHORAGE, AK
NAICS 237110
Posted Sep 22, 2026

Y-YELL 318713 Rehabilitate/Replace Old Faithful Wastewater Treatment Plant

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Sep 22, 2026
Due Oct 2, 2026

23001 SX0

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 22, 2026
Due Oct 29, 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)

Joint Base Langley Eustis Tank Repairs

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Sep 22, 2026
Due Oct 20, 2026
Small Business Set Aside - Total

SP-POL-CMP-REPAIR-FY25-CTG GRISSOM ARB, IN

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Sep 22, 2026
Due Oct 2, 2026
Small Business Set Aside - Total

Power Construction and Services II (PCS II) MATOC

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237130
Posted Sep 22, 2026
Due Oct 13, 2026

Z-Stampede Penstock and Butterfly Valve Rehab

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237110
Posted Sep 22, 2026

Nemo Domestic Well Northern Hills Ranger District, Black Hills NF, South Dakota

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Sep 22, 2026
Due Oct 14, 2026
Small Business Set Aside - Total

Z-ID-CAMAS NWR- Fuel Tanks Wiring

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237120
Posted Sep 22, 2026
Due Oct 8, 2026
Small Business Set Aside - Total
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