NAICS 237110in23711:Water and Sewer Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction

308 active contract opportunities

308

Active Opportunities

274

Posted Last 7 Days

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Top Industries

  • Water and Sewer Line and Related Structures Construction308

Set-Aside Distribution

  • 117
  • Small Business109
  • SDVOSB19
  • Full & Open17
  • Buy Indian12

Top Locations

  • VA40
  • CA29
  • OK21
  • WA21
  • CO16

About NAICS237110

The North American Industry Classification System (NAICS) code 237110 covers water and sewer line and related structures 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 →

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Fire Pond Supplemental Water Project

Small Business Administration (SBA)
NY
NAICS 237110
Posted Jul 31, 2026
Due Aug 15, 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)

NORSD Water Resource Recovery Facility (WRRF) Expansion

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 31, 2026
Due Sep 17, 2026
Small Business (SB), Women-Owned Small Business (WOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Citywide Storm Water Infrastructure CIPP IDIQ FY 26-28 in Corpus Chrisi, TX

Small Business Administration (SBA)
TX
NAICS 237110
Posted Jul 30, 2026
Due Aug 11, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal)

Secondary Treatment System Upgrades Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 30, 2026
Due Sep 3, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Henrici Water Pump Station & Transmission Improvements

Small Business Administration (SBA)
OR
NAICS 237110
Posted Jul 29, 2026
Due Aug 4, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Sanitary Sewer Improvements, Various Locations in Rockville, MD

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 29, 2026
Due Sep 4, 2026
Women-Owned Small Business (WOSB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Buccaneer Lift Station Fixed Price Design-Build

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 29, 2026
Due Sep 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)

Corydon Well Replacement C2305

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 28, 2026
Due Sep 1, 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)

Recovery Lines for Stockdale North Wells SN-1 & SN-2, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 28, 2026
Due Aug 26, 2026
Small Business (SB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

SEWER CONSTRUCTION

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 27, 2026
Due Aug 18, 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), 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)

Hagerstown Wastewater Treatment Plant Improvements - Phase 1

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 27, 2026
Due Aug 17, 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 Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

GAOA Blanchard Sewer Line Replacement Ozark St. Francis NF

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237110
Posted Jul 27, 2026
Due Aug 25, 2026
Small Business

C-Drainage Repair - HINU

INTERIOR, DEPARTMENT OF THE
Albuquerque, NM
NAICS 237110
Posted Jul 27, 2026

CMR New Sewer Lines

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237110
Posted Jul 27, 2026
Due Aug 28, 2026

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

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

WWTP REPAIR CLARIFIER #2

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