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.

Tainter Gates Sandblasting

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO
El Paso, TX
NAICS 237990
Posted Jul 27, 2026
Due Aug 3, 2026
Small Business

SEWER CONSTRUCTION

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 27, 2026
Due Aug 18, 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), 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)

Yellowstone National Cemetery National Shrine Project

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Jul 27, 2026
Due Aug 27, 2026
SDVOSB

Houston Ship Channel - House Tract Placement Area Improvements

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Jul 27, 2026
Due Aug 27, 2026
Small Business

Z-Munising Falls Trail Rehabilitation

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 237990
Posted Jul 27, 2026

Hagerstown Wastewater Treatment Plant Improvements - Phase 1

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 27, 2026
Due Aug 17, 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 Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Horizontal Construction MATOC

DEPT OF DEFENSE
MOBILE, AL
NAICS 237990
Posted Jul 27, 2026
Due Sep 11, 2026
Small Business

LAKE - Repair Asphalt on Temple Bar Road

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 237310
Posted Jul 27, 2026
Due Sep 1, 2026
Small Business

John Day Dam Fish Pump Rehabilitation Project

DEPT OF DEFENSE
PORTLAND, OR
NAICS 237990
Posted Jul 27, 2026
Due Aug 25, 2026
Small Business

FR 321 Kinzua Creek AOP Replacement

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 237310
Posted Jul 27, 2026
Small Business

Y-Cottonwood Substation Construction, Stage 02, Phas

ENERGY, DEPARTMENT OF
FOLSOM, CA
NAICS 237130
Posted Jul 27, 2026

Y-Boat Ramp Replacement Project at Kirwin NWR

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237990
Posted Jul 27, 2026
Due Aug 7, 2026
Small Business

127EAW26Q0037 - Dark Canyon Culvert Repair

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237990
Posted Jul 27, 2026
Due Aug 25, 2026
Small Business

Port Everglades Harbor Maintenance Dredging Broward County, Florida

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jul 27, 2026
Due Aug 28, 2026

GAOA Blanchard Sewer Line Replacement Ozark St. Francis NF

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237110
Posted Jul 27, 2026
Due Aug 25, 2026
Small Business

C-Drainage Repair - HINU

INTERIOR, DEPARTMENT OF THE
Albuquerque, NM
NAICS 237110
Posted Jul 27, 2026

Parking Lot Painting Renewal USCG Base New Orleans

HOMELAND SECURITY, DEPARTMENT OF
NEW ORLEANS, LA
NAICS 237310
Posted Jul 27, 2026
Due Aug 10, 2026
Small Business

Fort Collins Road Repairs, NIST, Boulder, CO

COMMERCE, DEPARTMENT OF
GAITHERSBURG, MD
NAICS 237310
Posted Jul 27, 2026
Due Aug 4, 2026
Small Business

Fort Eustis Dredge Material Management Area (FEDMMA)

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Jul 27, 2026
Due Aug 18, 2026
Small Business

W912PM26BA007 - MAINTENANCE DREDGING, WILMINGTON HARBOR ANCHORAGE BASIN AND MID RIVER CHANNELS

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Jul 27, 2026
Due Aug 26, 2026