NAICS 237in23:Construction

Heavy and Civil Engineering Construction

1,253 active contract opportunities

1,253

Active Opportunities

61

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Other Heavy and Civil Engineering Construction546
  • Highway, Street, and Bridge Construction395
  • Water and Sewer Line and Related Structures Construction182
  • Power and Communication Line and Related Structures Construction67
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24

Set-Aside Distribution

  • 523
  • Small Business503
  • No Set Aside53
  • SDVOSB53
  • Full & Open44

Top Locations

  • VA143
  • WA110
  • CA106
  • LA82
  • CO55

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.

Military Construction Project (MILCON) P1080 Design-Bid-Build, Power Reliability and Water Resiliency Upgrades, Portsmouth Naval Shipyard, Kittery, Maine

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237130
Posted Dec 30, 2025
Due Feb 10, 2026
No Set Aside
15 days left

U.S. Army 63rd Readiness Division MILCON ERCIP Microgrid

DEPT OF DEFENSE
SAN FRANCISCO, CA
NAICS 237130
Posted Dec 30, 2025
Due Jan 28, 2026
2 days left

ID FLAP FS SC MULTI(1), Custer Motorway Stabilization Project

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Dec 29, 2025
Due Jan 29, 2026
No Set Aside
3 days left

W91237-26-R-A005; Tom Jenkins Dam Stilling Basin Concrete Repair

DEPT OF DEFENSE
HUNTINGTON, WV
NAICS 237990
Posted Dec 29, 2025
Due Jan 28, 2026
Small Business
2 days left

HOUSTON SHIP CHANNEL, TEXAS, REDFISH TO MORGANS POINT, HOPPER DREDGING, IN HARRIS, CHAMBERS AND GALVESTON COUNTIES, TEXAS IN HARRIS, CHAMBERS AND GALVESTON COUNTIES, TEXAS

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Dec 29, 2025
Due Jan 29, 2026
3 days left

Greenbelt Landing Project

DEPT OF DEFENSE
MEMPHIS, TN
NAICS 237990
Posted Dec 29, 2025
SDVOSB

Y-LAKE 324894 - Echo Bay Launch Ramp Extension

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237990
Posted Dec 26, 2025

Construct New Bulkhead at Hugo Lake

DEPT OF DEFENSE
TULSA, OK
NAICS 237990
Posted Dec 23, 2025

Mud Mountain Dam Steel Liner Repair

DEPT OF DEFENSE
SEATTLE, WA
NAICS 237990
Posted Dec 22, 2025
Small Business

M-Railroad Tie Replacement

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 237310
Posted Dec 22, 2025
Small Business

Y-Philip North Switching Station Stg 01 SouthDakota

ENERGY, DEPARTMENT OF
BILLINGS, MT
NAICS 237130
Posted Dec 22, 2025
Due Feb 7, 2026
Small Business
12 days left

Construct Sunset Liberty March pathway

DEPT OF DEFENSE
SAVANNAH, GA
NAICS 237990
Posted Dec 19, 2025
SDVOSB

$300M UNR DB/DBB Fuels MATOC

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Dec 19, 2025

ROUGH RIVER DAM SAFETY MODIFICATION PHASE II: NEW OUTLET WORKS AND CUTOFF WALL PROJECT

DEPT OF DEFENSE
LOUISVILLE, KY
NAICS 237990
Posted Dec 18, 2025

National Defense Area Sector - 1 Protective Barrier Fencing

DEPT OF DEFENSE
LOS ANGELES, CA
NAICS 237310
Posted Dec 18, 2025
No Set Aside

FY26 Little River Inlet Maintenance Dredging

DEPT OF DEFENSE
CHARLESTON, SC
NAICS 237990
Posted Dec 18, 2025
Due Feb 20, 2026
Small Business
25 days left

CO FLAP LPL 10(1) LAKE NIGHTHORSE ACCESS

TRANSPORTATION, DEPARTMENT OF
LAKEWOOD, CO
NAICS 237310
Posted Dec 18, 2025

Construction Services of a Power Generation Microgrid at Cape Cod Space Force Station in Bourne, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 237130
Posted Dec 18, 2025
Due Feb 18, 2026
23 days left

BEQ Chiller Repairs, MCAS New River, Camp Johson, and Rifle Range

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Dec 18, 2025
Small Business

FY26 AIWW Dredge Material Placement Facility (DMPF) Improvements

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Dec 18, 2025
Small Business