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.

Design-Bid-Build, P1102 Weapons Magazine and Ordnance Operations Facility, Naval Submarine Base New London, Groton, Connecticut

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Jul 23, 2026
Due Sep 1, 2026

Lefferts Pond Accessibility Improvements

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 237990
Posted Jul 23, 2026
Small Business

Z-BESSEMER MINE ROAD O&M

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

Banana River, Maintenance Dredging, Brevard County, Florida

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jul 23, 2026
Due Aug 20, 2026
Small Business

Project TN ERFO FS CHRKE804 2020-2(5) - Cherokee National Forest

TRANSPORTATION, DEPARTMENT OF
Ashburn, VA
NAICS 237310
Posted Jul 23, 2026
HUBZone

TX-FWS SANTA ANA NWR-TRAIL REPAIRS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237310
Posted Jul 23, 2026
Due Aug 25, 2026
Small Business

Barataria Bay Waterway, Maintenance Dredging (Non-Continuous) Bayou Rigaud, Jefferson Parish, Louisiana (ED-25-008)

DEPT OF DEFENSE
NEW ORLEANS, LA
NAICS 237990
Posted Jul 23, 2026
No Set Aside

Y-KNRI 257081 Knife River Indian Village National H

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237990
Posted Jul 23, 2026
Due Aug 20, 2026

Council Grove Clean & Paint Bridge Deck Girders

DEPT OF DEFENSE
TULSA, OK
NAICS 237310
Posted Jul 23, 2026
Due Aug 7, 2026
No Set Aside

47-AR-CACHE RIV NWR - Piping for Water Control Structures

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

IFB: FY26 Dredging and Sediment Disposal at USCG San Francisco Bay Area-Three (3) Locations

HOMELAND SECURITY, DEPARTMENT OF
OAKLAND, CA
NAICS 237990
Posted Jul 23, 2026
Due Aug 20, 2026
No Set Aside

XUMU 20260001 OSP Oak Mountain Fiber Relocation

DEPT OF DEFENSE
VANDENBERG SFB, CA
NAICS 237130
Posted Jul 23, 2026
Due Aug 21, 2026
Small Business

Book Cliffs Historic Cabins Phase 3

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 237990
Posted Jul 23, 2026
Due Aug 7, 2026
Small Business

GAOA Const Mesa Falls Boardwalk CTNF

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237990
Posted Jul 23, 2026
Due Aug 25, 2026
Small Business

Z-Friant Dam Compressor System Replacement

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237990
Posted Jul 23, 2026
Due Aug 6, 2026
Small Business

Midwest City Water Tower

DEPT OF DEFENSE
TULSA, OK
NAICS 237110
Posted Jul 23, 2026
Due Aug 6, 2026

Z-INDIAN WELLS CYN RD O&M

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

New River Gorge National Park and Preserve

TRANSPORTATION, DEPARTMENT OF
Ashburn, VA
NAICS 237310
Posted Jul 23, 2026
Due Aug 4, 2026
No Set Aside

Grand Encampment Island Unloading

DEPT OF DEFENSE
SAINT PAUL, MN
NAICS 237990
Posted Jul 23, 2026
Due Aug 25, 2026

Old Sawmill Road Culvert Repairs

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Jul 23, 2026
Due Aug 12, 2026
Small Business