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.

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 24, 2026
Due Oct 29, 2026
Small Business (SB)

Greenfield WWTP

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 24, 2026
Due Oct 28, 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 REHABILITATION

Small Business Administration (SBA)
VA
NAICS 237110
Posted Sep 24, 2026
Due Oct 7, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

W9126G26RA056 Bypass Channel North

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 237990
Posted Sep 23, 2026

Placement Area MATOC, Texas

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Sep 23, 2026
Due Oct 5, 2026
Small Business Set Aside - Total

WY NP YELL 10(24), Grand Loop Road Norris to Golden Gate, Phase 3

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Sep 23, 2026

Palm Beach Harbor, South Jetty Rehabilitation 2026, Palm Beach County, Florida

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Sep 23, 2026
Due Oct 23, 2026

MOTCO Rail Curves Package 3

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 237990
Posted Sep 23, 2026
Small Business Set Aside - Total

Z-Contract Award for Stormwater Drainage Repair and Parking lot asphalt re-sealing

ENERGY, DEPARTMENT OF
OAK RIDGE, TN
NAICS 237310
Posted Sep 23, 2026

BITTERROOT NATIONAL FOREST - Sula & West Fork Residential Sewer Cleanouts

AGRICULTURE, DEPARTMENT OF
HAMILTON, MT
NAICS 237110
Posted Sep 23, 2026
Small Business Set Aside - Total

Freedom Connection Natural Gas Pipeline

DEPT OF DEFENSE
SAN JUAN, PR
NAICS 237120
Posted Sep 23, 2026
Due Oct 8, 2026
No Set Aside

Z-SACRAMENTO RIVER TRAIL REPAVING GAOA

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237310
Posted Sep 23, 2026

J-WI UPR MS RIV NWF GEOTHERMAL HEAT PUMP REPAIR

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Sep 23, 2026

WWTP REPAIR CLARIFIER #2

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237110
Posted Sep 23, 2026
8(a) Set-Aside

Fort Eustis Dredge Material Management Area (FEDMMA)

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Sep 23, 2026
Due Dec 1, 2026
Small Business Set Aside - Total

RR24-RR44 Sidewalk Repairs and MCASNR MTI Reflector Towers Concrete Pads

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Sep 23, 2026
Small Business Set Aside - Total

Fort Mifflin Sewage Lift Station

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237110
Posted Sep 23, 2026
Due Oct 8, 2026
Small Business Set Aside - Total

Z-SC-HARRIS NK NWR FLOATING DOCK REPLACEMENT

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237990
Posted Sep 23, 2026

Rudee Inlet Maintenance Dredging

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Sep 23, 2026

MCT-FAC-RSTR7901-Chancery Main Waterline Replacement

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237110
Posted Sep 23, 2026