NAICS 2371in237:Heavy and Civil Engineering Construction

Utility System Construction

335 active contract opportunities

335

Active Opportunities

280

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Water and Sewer Line and Related Structures Construction224
  • Power and Communication Line and Related Structures Construction70
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24
  • Oil and Gas Pipeline and Related Structures Construction16
  • Water and Sewer Line and Related Structures Construction1

Set-Aside Distribution

  • 125
  • Small Business92
  • Full & Open49
  • SDVOSB22
  • Buy Indian10

Top Locations

  • CA62
  • VA33
  • OK19
  • MT18
  • WA16

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...

Medford WC - Capital Hill 12MG Reservoir

Small Business Administration (SBA)
OR
NAICS 237110
Posted Apr 18, 2026
Due May 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)

Task 141 Carole Acres Sewer Rehab

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

Sewer Pipe and Manhole Lining Rehabilitation

Small Business Administration (SBA)
VA
NAICS 237110
Posted Apr 16, 2026
Due Apr 29, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

2026 Water Meter Installation Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 15, 2026
Due May 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), 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)

Sewer Collection System Pipeline Rehabilitation and Replacement Project Phase 10

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 15, 2026
Due May 14, 2026
Small Business (SB), 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)

Sewer Collection System Pipeline Rehabilitation and Replacement Project Phase 10, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 14, 2026
Due May 14, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Tulare Dayton Improvements Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 13, 2026
Due May 7, 2026
Small Business (SB), 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)

Coachella Valley Water District: Valley View Water Consolidation Project (Spec No. 2025-14)

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 13, 2026
Due Jun 4, 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), 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)

2026 Pioneer Trail Waterline Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 13, 2026
Due Apr 23, 2026
SBA-certified HUBZone Small Business (HUBZone SB), 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)

SEWER COLLECTION SYSTEM PIPELINE REHABILITATION AND REPLACEMENT PROJECT PHASE 10

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 10, 2026
Due May 14, 2026
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)

DCW-SOL-26-10547/260060

Small Business Administration (SBA)
DC
NAICS 237110
Posted Apr 10, 2026
Due Apr 20, 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)

SHERIDAN OLD LANDFILL CORRECTIVE MEASURES

Small Business Administration (SBA)
WY
NAICS 237110
Posted Apr 9, 2026
Due May 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)

AMI Meter Replacement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 9, 2026
Due May 12, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

SC 1047R

Small Business Administration (SBA)
MD
NAICS 237110
Posted Apr 9, 2026
Due May 6, 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)

SAWS Mission Pump Station Well No. 9

Small Business Administration (SBA)
TX
NAICS 237110
Posted Apr 9, 2026
Due May 7, 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)

Waterworks District No. 1 of Ward 1 of Calcasieu Parish, Louisiana

Small Business Administration (SBA)
LA
NAICS 237110
Posted Apr 9, 2026
Due Apr 21, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal)

WC 1454

Small Business Administration (SBA)
MD
NAICS 237110
Posted Apr 8, 2026
Due May 6, 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)

2026 Water Meter Installation Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 6, 2026
Due May 5, 2026
Small Disadvantaged Business (SDB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Canyon Lake Plant WO C2001

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 6, 2026
Due Jun 24, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation

SIMMS CREEK SIPHON REPLACEMENT PROJECT

Small Business Administration (SBA)
MT
NAICS 237110
Posted Apr 5, 2026
Due Apr 20, 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)
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