NAICS 237in23:Construction

Heavy and Civil Engineering Construction

2,043 active contract opportunities

2,043

Active Opportunities

1,526

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Other Heavy and Civil Engineering Construction825
  • Highway, Street, and Bridge Construction644
  • Water and Sewer Line and Related Structures Construction384
  • Power and Communication Line and Related Structures Construction113
  • Oil and Gas Pipeline and Related Structures Construction30

Set-Aside Distribution

  • 771
  • Small Business613
  • Small Business Set Aside - Total224
  • No Set Aside128
  • SDVOSB96

Top Locations

  • VA245
  • CA186
  • WA159
  • CO106
  • LA103

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.

HOFFMAN HILL RESERVOIR EXTERIOR RECOATING AND SEISMIC UPGRADES

Small Business Administration (SBA)
WA
NAICS 237990
Posted Sep 10, 2026
Due Sep 25, 2026
Small Disadvantaged Business (SDB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation

MWD - Inland Feeder/SBVMWD Foothill Pump Station Intertie, Stage 1 (Specification 2049)

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 9, 2026
Due Sep 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), 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)

Sites Reservoir Project - Dams and Roads

Small Business Administration (SBA)
CA
NAICS 237990
Posted Sep 9, 2026
Due Sep 23, 2026
Small Business (SB)

Lava Lands Pump Replacement & Well Survey

AGRICULTURE, DEPARTMENT OF
Portland, OR
NAICS 237110
Posted Sep 9, 2026
Due Sep 17, 2026
Small Business Set Aside - Total

GAOA Palisades Lagoon Liner & Sprinkler System Replacement, Coronado National Forest

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Sep 9, 2026
Due Sep 18, 2026
Small Business Set Aside - Total

GAOA Greenough Campground Reconstruction, Custer-Gallatin National Forest

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237990
Posted Sep 9, 2026
Small Business Set Aside - Total

Flagstaff Ranger Station Wastewater System Improvements - Coconino NF

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Sep 9, 2026
Due Sep 17, 2026
Small Business Set Aside - Total

Solicitation is Restricted to the Current Region 3 FERM BPA Holders - USDA Forest Service

AGRICULTURE, DEPARTMENT OF
NAICS 237310
Posted Sep 9, 2026
Due Sep 15, 2026
Small Business Set Aside - Total

GAOA Council Bluff Beach Access Bridges

AGRICULTURE, DEPARTMENT OF
ROLLA, MO
NAICS 237310
Posted Sep 9, 2026
Due Sep 23, 2026
Small Business Set Aside - Total

FY26 ANGELES NATIONAL FOREST ROAD MAINTENANCE

AGRICULTURE, DEPARTMENT OF
ARCADIA, CA
NAICS 237310
Posted Sep 9, 2026
Due Sep 10, 2026
SDVOSB

Assunpink Creek Site 8 Dam Rehab NRCS-New Jersey

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237990
Posted Sep 9, 2026
Due Sep 18, 2026
Small Business Set Aside - Total

Z-CHS Drain Pipe Lining Installation

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 237110
Posted Sep 9, 2026
Due Sep 11, 2026
Small Business Set Aside - Total

Z-CA-SF BAY NWR COMPLX-SEWER SYSTEM REHAB

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Sep 9, 2026
Due Sep 15, 2026
Small Business Set Aside - Total

Z-MO-MINGO NWR- GRAVEL ROAD REHAB

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237310
Posted Sep 9, 2026

Storm Water Retention Pond Rehabilitation

INTERIOR, DEPARTMENT OF THE
RESTON, VA
NAICS 237990
Posted Sep 9, 2026
Due Sep 18, 2026

Y-GARNET HILL RECREATION AREA CONSTRUCTION

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 237990
Posted Sep 9, 2026
Due Sep 16, 2026
Small Business Set Aside - Total

Z-Sand Island Photovoltaic System Renovation

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 237130
Posted Sep 9, 2026

Z-YELL 338223 - Bridge Preservation

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237310
Posted Sep 9, 2026
Due Oct 30, 2026

Y-Timucuan Ecological and Historic Preserve TIMU-335507 Stabilize Kingsley Plan

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237990
Posted Sep 9, 2026
Due Oct 30, 2026

Z-GOGA 336173 - Repair Conzelman Road

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237310
Posted Sep 9, 2026
Due Oct 29, 2026