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

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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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

236:Construction of Buildings238:Specialty Trade Contractors

LOWER BRULE NORTH SHORELINE STABILIZATION AND ECOSYSTEM RESTORATION, ELEMENT 2

DEPT OF DEFENSE
OMAHA, NE
NAICS 237990
Posted Sep 22, 2026
Small Business Set Aside - Total

Sources Sought/Request for Information Upper Mississippi River Restoration (UMRR) Quincy Bay Habitat Rehabilitation and Enhancement Project- Stage 1

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 237990
Posted Sep 22, 2026
Due Oct 26, 2026
No Set Aside

Chesapeake and Delaware Chesapeake City Bridge Painting and Repairs

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237310
Posted Sep 22, 2026

Z-Stampede Penstock and Butterfly Valve Rehab

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237110
Posted Sep 22, 2026

Request for Proposal - W912P426RA020 - Barcelona West Breakwater

DEPT OF DEFENSE
BUFFALO, NY
NAICS 237990
Posted Sep 22, 2026

CAMP NELSON NATIONAL CEMETERY, KY 833CM3030 CORRECT FCA DEFICIENCIES

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Sep 22, 2026
Due Oct 15, 2026
SDVOSB

Nemo Domestic Well Northern Hills Ranger District, Black Hills NF, South Dakota

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Sep 22, 2026
Due Oct 14, 2026
Small Business Set Aside - Total

Z-ID-CAMAS NWR- Fuel Tanks Wiring

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237120
Posted Sep 22, 2026
Due Oct 8, 2026
Small Business Set Aside - Total

Z2NZ- 658-23-108 Correct Stormwater Drainage

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 237110
Posted Sep 22, 2026
Due Oct 20, 2026
SDVOSB

City of San Diego, Alvarado Trunk Sewer Phase IV and Water Main Relocations Bid Package A

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 22, 2026
Due Oct 28, 2026
Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), 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)

GRTE 237343 - Rehab 4 Lazy F Ranch

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237110
Posted Sep 21, 2026
Due Nov 13, 2026
Small Business Set Aside - Total

City of San Diego: Alvarado Trunk Sewer Phase iV and Water Main Relocation Bid Package A; K-27-2470-DBB-3-C

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 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), 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)

Directional Drilling Services for B2805 Guard Post

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 21, 2026
Due Oct 16, 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)

GOGA 336173 - Repair Conzelman Road

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237310
Posted Sep 21, 2026
Due Oct 29, 2026

Joe Pool Dam Slide Repairs

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 237990
Posted Sep 21, 2026
Due Oct 20, 2026
Small Business Set Aside - Total

Fishtrap Lake Intake Structure and Dam Rehabilitation; W91237-26-R-A020

DEPT OF DEFENSE
HUNTINGTON, WV
NAICS 237990
Posted Sep 21, 2026
Due Oct 16, 2026

POL,PPS,AASF Concord-Fuel System Repairs

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Sep 21, 2026
Due Oct 6, 2026
Small Business Set Aside - Total

Z-CA-SF Bay NWR Complex-Sewer System Rehab

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237110
Posted Sep 21, 2026

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements, Project No. RW15003.03

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 29, 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)

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)
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