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.

Asphalt Repairs Bldg 905, 916, PP201, LCH4930, AS211, & AS214

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Jul 21, 2026
Due Aug 20, 2026
Small Business

ADD / ALTER CITY WATER PUMP STATION, B980

DEPT OF DEFENSE
APO, AP
NAICS 237110
Posted Jul 21, 2026
Due Aug 6, 2026

WY MT NP MULTI PMS(1), Pavement Preservation Wyoming and Montana

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Jul 21, 2026

UT NP DINO PMS(1), Pavement Preservation DINO

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Jul 21, 2026

TAMPA HARBOR MAINTENANCE DREDGING EGMONT AND MULLET KEY CUTS, HILLSBOROUGH COUNTY, FL

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jul 20, 2026

Z-CABLEWAY CRANE REFURBISHMENT

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 237990
Posted Jul 20, 2026
Due Aug 12, 2026

Webster Dam Spillway Radial Gates Repair

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 237990
Posted Jul 20, 2026
Due Aug 27, 2026
Small Business

LAKE - REPLACE HORSEPOWER COVE LIFT STATION

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 237110
Posted Jul 20, 2026
Due Aug 24, 2026
Small Business

Wastewater Collection System Improvement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 6, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal)

Phase 1 – Water Distribution System Improvements

Small Business Administration (SBA)
MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 3, 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 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)

Z-DEVA 318717 - Rehab Furnace&Cow Creeks W&WW System

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Jul 20, 2026

Muscatine-Louisa County Drainage District No. 13 2024 Event PL84-99 Flood Repairs

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 237990
Posted Jul 20, 2026
Due Aug 6, 2026
SDVOSB

KC-46A ADAL Apron and Hydrant Fueling Pits

DEPT OF DEFENSE
MOBILE, AL
NAICS 237990
Posted Jul 20, 2026

IMPROVING & GRADING UNPAVED ROADS AND PARKING AREA

INTERIOR, DEPARTMENT OF THE
HOMESTEAD, FL
NAICS 237310
Posted Jul 20, 2026
Due Aug 19, 2026
Small Business

M-Crack and Fog Sealing Multiple Locations

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 237310
Posted Jul 20, 2026

Replacement of Pollution Boom at Base Alameda

HOMELAND SECURITY, DEPARTMENT OF
ALAMEDA, CA
NAICS 237990
Posted Jul 20, 2026
Due Aug 7, 2026
Small Business

27-30 Inch Maintenance Dredging within the Geographical Boundaries of USACE Mobile District

DEPT OF DEFENSE
MOBILE, AL
NAICS 237990
Posted Jul 20, 2026
Due Aug 20, 2026

Z-BRCA 318695 Rehabilitate Main Water System at East Creek and Yovimpa Point

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Jul 20, 2026
Due Aug 12, 2026

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

AGRICULTURE, DEPARTMENT OF
SANTA FE, NM
NAICS 237310
Posted Jul 20, 2026
Due Aug 14, 2026
Small Business

CMC Greenspace Project

DEPT OF DEFENSE
SAVANNAH, GA
NAICS 237990
Posted Jul 20, 2026
Due Aug 4, 2026
SDVOSB