NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

561 active contract opportunities

561

Active Opportunities

449

Posted Last 7 Days

30 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...

Z2NZ- 658-23-108 Correct Stormwater Drainage

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 237110
Posted Sep 22, 2026
Due Oct 20, 2026
SDVOSB

City of San Diego, Alvarado Trunk Sewer Phase IV and Water Main Relocations Bid Package A

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 22, 2026
Due Oct 28, 2026
Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), 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)

GRTE 237343 - Rehab 4 Lazy F Ranch

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Sep 21, 2026
Due Nov 13, 2026
Small Business Set Aside - Total

City of San Diego: Alvarado Trunk Sewer Phase iV and Water Main Relocation Bid Package A; K-27-2470-DBB-3-C

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 28, 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)

Directional Drilling Services for B2805 Guard Post

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 21, 2026
Due Oct 16, 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)

POL,PPS,AASF Concord-Fuel System Repairs

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Sep 21, 2026
Due Oct 6, 2026
Small Business Set Aside - Total

Z-CA-SF Bay NWR Complex-Sewer System Rehab

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Sep 21, 2026

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements, Project No. RW15003.03

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 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)

Terrace Drive Sewer System Improvements – Chimney Rock, NC

Small Business Administration (SBA)
NC
NAICS 237110
Posted Sep 21, 2026
Due Oct 5, 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)

WC 1463

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 21, 2026
Due Oct 7, 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)

Purified Water Replenishment - San Jacinto Valley Advanced Water Purification Facility

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 20, 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)

ZONE G WATER MAIN REPLACEMENT PROJECT

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 19, 2026
Small Business (SB)

Sources Sought for the Recapitalization of the Navys High Voltage (230kV) Transmission Loop and all Ancillary Equipment at Naval Submarine Base Kings Bay, GA

DEPT OF DEFENSE
NAS JACKSONVILLE, FL
NAICS 237130
Posted Sep 21, 2026
Due Oct 6, 2026

Badger Hill Seed Orchard Well

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Sep 21, 2026
Small Business Set Aside - Total

Wastewater System Expansion Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 8, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Terrace Drive Sewer System Improvements – Chimney Rock, NC

Small Business Administration (SBA)
NC
NAICS 237110
Posted Sep 21, 2026
Due Oct 5, 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)

Multi-Family 8-Plex Rebuild Apartment Building Project, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 20, 2026
Due Nov 9, 2026
Small Business (SB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Small Business Administration (SBA)
IL
NAICS 237110
Posted Sep 20, 2026
Due Oct 22, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Veteran-Owned Small Business (VOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Z-Award - REHAB FOUR WASTEWATER MANHOLES, Lassen Vol

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 237110
Posted Sep 18, 2026

Repair Water Tower B738

DEPT OF DEFENSE
GOODFELLOW AFB, TX
NAICS 237110
Posted Sep 18, 2026
Small Business Set Aside - Total
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