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.

FY26 Hopper Dredging MATOC

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Aug 24, 2026
No Set Aside

FY26 Pipeline Dredging MATOC

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Aug 24, 2026
No Set Aside

Building 32 Sewer Repair

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 237110
Posted Aug 24, 2026
Small Business Set Aside - Total

USFS - Route 1 Road Repair - V2.

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237310
Posted Aug 24, 2026
Small Business Set Aside - Total

Z-LARO-DRILL NEW WATER WELL - SHERMAN HOMES CABINS

INTERIOR, DEPARTMENT OF THE
PORT ANGELES, WA
NAICS 237110
Posted Aug 24, 2026

FY26 Multiple Location BEQ Parking Lot Repairs

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Aug 24, 2026
HUBZone

Multiple Award Construction Contract for Inspection, Repair, and Renovation Construction Services for Petroleum, Oil, and Lubricant Fuel Systems at Various Locations Worldwide

DEPT OF DEFENSE
PORT HUENEME, CA
NAICS 237120
Posted Aug 22, 2026

Repair and Widen Taxiways Phase III, PSTE 162013

DEPT OF DEFENSE
EASTOVER, SC
NAICS 237310
Posted Aug 21, 2026
Small Business Set Aside - Total

AIWW Shoreline Protection Placement Areas

DEPT OF DEFENSE
CHARLESTON, SC
NAICS 237990
Posted Aug 21, 2026
Small Business Set Aside - Total

Bonneville Powerhouse II Unwatering Pump Replacement

DEPT OF DEFENSE
PORTLAND, OR
NAICS 237990
Posted Aug 21, 2026
Small Business Set Aside - Total

Wastewater System Expansion Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Oct 8, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

MILLER-RICE ISLANDS PILE DIKE SYSTEM REPAIRS

DEPT OF DEFENSE
PORTLAND, OR
NAICS 237990
Posted Aug 21, 2026
Small Business Set Aside - Total

Z-DUMONT DUNES ROAD SHOULDER STABILIZATION

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 237310
Posted Aug 21, 2026

Y-Rifle (RFL) Substation Communications Tower

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Aug 21, 2026

ID FLAP KOOTEN 8450(1), Yellowstone Trail Road, Segment 1

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Aug 20, 2026

FTG267 R and C 80KVA UPS Replacement

DEPT OF DEFENSE
ANCHORAGE, AK
NAICS 237130
Posted Aug 20, 2026
Small Business Set Aside - Total

Tionesta Dam Control Tower Concrete Repair

DEPT OF DEFENSE
PITTSBURGH, PA
NAICS 237990
Posted Aug 20, 2026
Small Business Set Aside - Total

SR-1 Bearing Replacement

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237990
Posted Aug 20, 2026

ERCIP Microgrid and Power Generation Infrastructure at White Sands Missile Range (WSMR) - Las Cruces, New Mexico

DEPT OF DEFENSE
LOUISVILLE, KY
NAICS 237130
Posted Aug 20, 2026
Small Business Set Aside - Total

127EAW26Q0049 - Loves Falls Bridge Repair

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237310
Posted Aug 20, 2026
Small Business Set Aside - Total