NAICS 237in23:Construction

Heavy and Civil Engineering Construction

1,837 active contract opportunities

1,837

Active Opportunities

1,648

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Other Heavy and Civil Engineering Construction774
  • Highway, Street, and Bridge Construction590
  • 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

Set-Aside Distribution

  • Small Business761
  • 691
  • No Set Aside109
  • SDVOSB91
  • Full & Open63

Top Locations

  • VA229
  • CA158
  • WA137
  • LA97
  • CO88

About NAICS237

The North American Industry Classification System (NAICS) code 237 covers heavy and civil engineering construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

Z2LZ-Project: 528A7-25-502 Replace Trench Drains

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 237990
Posted Jul 20, 2026
Due Aug 24, 2026
SDVOSB

Stephenson Taylor Water Line Extension

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SEATTLE, WA
NAICS 237110
Posted Jul 20, 2026
Due Aug 19, 2026
ISBEE

Y-2026 MARCOTT COULEE PIPELINE

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 4, 2026
Small Business

Guardrail Replacement, Hodges Village Dam, Oxford, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 237310
Posted Jul 20, 2026
Small Business

Presolicitation Notice, Construct South Lot 3

DEPT OF DEFENSE
OFFUTT AFB, NE
NAICS 237310
Posted Jul 20, 2026
Due Aug 4, 2026
Small Business

Fort Snelling National Cemetery National Shrine Project 894-NSP25-002

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Jul 20, 2026
Due Aug 20, 2026
SDVOSB

2022 Return Capacity Improvements, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 5, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

Repair Airfield Stormwater Drainage Phase II

DEPT OF DEFENSE
DOBBINS AFB, GA
NAICS 237110
Posted Jul 20, 2026
Due Aug 11, 2026
Small Business

Solar Construction on New Building

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 237130
Posted Jul 20, 2026
Due Aug 7, 2026
Small Business

FY26 Multiple Location BEQ Parking Lot Repairs

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Jul 20, 2026
Due Aug 19, 2026
HUBZone

East Access Road Repairs, Union Village Dam, Thetford, VT

DEPT OF DEFENSE
CONCORD, MA
NAICS 237310
Posted Jul 20, 2026
Due Aug 18, 2026
Small Business

Wastewater Collection System Improvement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 6, 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)

NCMT Berth 24-11 Structural Repair

Small Business Administration (SBA)
CA
NAICS 237310
Posted Jul 20, 2026
Due Aug 6, 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)

Frick Unit Lateral N0 Pipeline Phase 3

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 18, 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)

Kohrs Manning Diversion Improvement Project

Small Business Administration (SBA)
MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 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)

Gardiner Diversion Improvements Project

Small Business Administration (SBA)
MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 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)

Solicitation N4008426Q7502DBB UFC Repair Aboveground Fuel Storage, ABAB, Palawan, Philippines

DEPT OF DEFENSE
FPO, AP
NAICS 237120
Posted Jul 20, 2026
Due Aug 18, 2026

Y-CAPE COD NS - NELLIE ROAD COMBINED SEPTIC SYSTEM

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 237110
Posted Jul 18, 2026

Y-GLBA REHAB WATERLINE

INTERIOR, DEPARTMENT OF THE
ANCHORAGE, AK
NAICS 237110
Posted Jul 17, 2026
Due Aug 6, 2026
Small Business

FY27 Maintenance Dredging, South Atlantic Division Regional Harbor Dredge Contract

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Jul 17, 2026
Due Aug 18, 2026