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.

WC 1463

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 21, 2026
Due Oct 7, 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)

Purified Water Replenishment - San Jacinto Valley Advanced Water Purification Facility

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 20, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

ZONE G WATER MAIN REPLACEMENT PROJECT

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 19, 2026
Small Business (SB)

Y1PZ-810CM3033 Gravesite Expansion with FCA Deficiencies at Dayton NC

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Sep 21, 2026
SDVOSB

Y-GAOA Milner Picnic Site Cabana Replacement

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 237990
Posted Sep 21, 2026

Z-TX-FWS SANTA ANA NWR-TRAIL REPAIRS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237310
Posted Sep 21, 2026

Sources Sought for the Recapitalization of the Navys High Voltage (230kV) Transmission Loop and all Ancillary Equipment at Naval Submarine Base Kings Bay, GA

DEPT OF DEFENSE
NAS JACKSONVILLE, FL
NAICS 237130
Posted Sep 21, 2026
Due Oct 6, 2026

Badger Hill Seed Orchard Well

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Sep 21, 2026
Small Business Set Aside - Total

Z-PERMANENT PAVEMENT MARKING, FDA, BOT

INTERIOR, DEPARTMENT OF THE
GALLUP, NM
NAICS 237310
Posted Sep 21, 2026

Wastewater System Expansion Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 8, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Terrace Drive Sewer System Improvements – Chimney Rock, NC

Small Business Administration (SBA)
NC
NAICS 237110
Posted Sep 21, 2026
Due Oct 5, 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)

Multi-Family 8-Plex Rebuild Apartment Building Project, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 20, 2026
Due Nov 9, 2026
Small Business (SB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Small Business Administration (SBA)
IL
NAICS 237110
Posted Sep 20, 2026
Due Oct 22, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Veteran-Owned Small Business (VOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

USACE SPK DB Construction - Natomas NPP Named Pumping Plants - Sacramento, CA

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 237990
Posted Sep 18, 2026
Due Nov 3, 2026

Z-Road/Parking Lot Striping, Lava Beds NM

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 237310
Posted Sep 18, 2026

OR FLAP DOT CRGNSA 100(7), Historic Columbia River Highway State Trail, Mitchell Point Dr. to Ruthton Trailhead

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Sep 18, 2026
Due Oct 21, 2026
Small Business Set Aside - Total

Z-Award - REHAB FOUR WASTEWATER MANHOLES, Lassen Vol

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 237110
Posted Sep 18, 2026

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

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Sep 18, 2026

Belle Fountain Ditch Cleanout Phase 2

DEPT OF DEFENSE
MEMPHIS, TN
NAICS 237990
Posted Sep 18, 2026
Due Oct 20, 2026
SDVOSB

Norfolk Harbor Inner Channel to Newport News Maintenance Dredging located in Hampton Roads, Virginia

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Sep 18, 2026
Due Oct 3, 2026