NAICS 237in23:Construction

Heavy and Civil Engineering Construction

2,133 active contract opportunities

2,133

Active Opportunities

1,836

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Other Heavy and Civil Engineering Construction875
  • Highway, Street, and Bridge Construction674
  • Water and Sewer Line and Related Structures Construction390
  • Power and Communication Line and Related Structures Construction116
  • Oil and Gas Pipeline and Related Structures Construction31

Set-Aside Distribution

  • 860
  • Small Business610
  • Small Business Set Aside - Total215
  • No Set Aside137
  • SDVOSB104

Top Locations

  • VA273
  • CA176
  • WA156
  • CO117
  • LA105

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

236:Construction of Buildings238:Specialty Trade Contractors

MPF Grant Creek Culvert Replacement

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 237310
Posted Sep 4, 2026
Small Business Set Aside - Total

Z-Fredericksburg & Spotsylvania National Military Pa

INTERIOR, DEPARTMENT OF THE
PHILADELPHIA, PA
NAICS 237110
Posted Sep 4, 2026

Z-CARL-REPAIR EQUIPMENT STORAGE SHED

INTERIOR, DEPARTMENT OF THE
Washington, DC
NAICS 237990
Posted Sep 4, 2026

Shenango River Lake Water Tank Rehabiliation

DEPT OF DEFENSE
PITTSBURGH, PA
NAICS 237110
Posted Sep 4, 2026
Small Business Set Aside - Total

Y-NGWSP BLOCK 2-3 PIPELINE

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 237110
Posted Sep 4, 2026

San Juan Cattle Guard Replacements

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237310
Posted Sep 4, 2026
Small Business Set Aside - Total

W912HV27BA003 FY27 Maintenance Dredging Yokohama North Dock

DEPT OF DEFENSE
APO, AP
NAICS 237990
Posted Sep 4, 2026
Due Oct 7, 2026

J-Emergency Bridge Repair, #305 Bamboo Bridge Wash,

INTERIOR, DEPARTMENT OF THE
GALLUP, NM
NAICS 237310
Posted Sep 3, 2026

Wastewater System Expansion Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 3, 2026
Due Oct 8, 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)

Y-GRCA 318719 CONSTRUCT TEMP. WWTP AT NORT

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Sep 3, 2026

RIO DE LA PLATA FLOOD CONTROL PROJECT, SUPPLEMENTAL CONTRACT 1 PROJECT LOCATION: DORADO AND TOA BAJA, PUERTO RICO

DEPT OF DEFENSE
SAN JUAN, PR
NAICS 237990
Posted Sep 3, 2026
Due Oct 27, 2026

J-N1 Brake Ring

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 237110
Posted Sep 3, 2026
Due Oct 2, 2026

Z2NE-544-22-115 Replace Water and Fire Piping Loop

VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 237110
Posted Sep 3, 2026
SDVOSB

GAOA Red Canyon Corridor Paving, Ashley National Forest

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237310
Posted Sep 3, 2026
Small Business Set Aside - Total

City of Follansbee Water System Improvements - Section 219

DEPT OF DEFENSE
PITTSBURGH, PA
NAICS 237110
Posted Sep 3, 2026
No Set Aside

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 3, 2026
Due Oct 21, 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)

Gumtree and Knoll Park Pipeline Replacement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 3, 2026
Due Oct 7, 2026
Small Business (SB), Small Disadvantaged Business (SDB), 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)

Construction Contract for: Colombia Land Port of Entry (LPOE), Border Roadway Improvement & Construction (BRIC)/Paving Project, Laredo, TX

GENERAL SERVICES ADMINISTRATION
FORT WORTH, TX
NAICS 237310
Posted Sep 3, 2026
Small Business Set Aside - Total

Military Construction Project (MILCON) P1080 Design-Bid-Build, Power Reliability and Water Resiliency Upgrades, Portsmouth Naval Shipyard, Kittery, Maine

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237130
Posted Sep 3, 2026
No Set Aside

Stephenson Taylor Water Line Extension

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SEATTLE, WA
NAICS 237110
Posted Sep 2, 2026
Indian Small Business Economic Enterprise
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