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.

LITTLE SIOUX LB - NAGEL AND INTERCOUNTY DD & HOGUE DITCH LB - INTERCOUNTY, HARRISON AND MONONA COUNTIES, IOWA

DEPT OF DEFENSE
OMAHA, NE
NAICS 237990
Posted Aug 10, 2026
Small Business Set Aside - Total

Maintenance Dredging, Delaware River, Philadelphia to Sea and Wilmington Harbor FY26 Project

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 237990
Posted Aug 10, 2026

Solicitation Notification For: Cedar Rapids Flood Risk Management Project, Reach 1, Cedar Lake South Railyard (Hoth)Floodwall

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 237990
Posted Aug 10, 2026
Small Business Set Aside - Total

FY26 Black Rock Lock Damage Repair

DEPT OF DEFENSE
BUFFALO, NY
NAICS 237990
Posted Aug 10, 2026
Small Business Set Aside - Total

Fire Island Inlet and Shores Westerly to Jones Inlet, NY-Navigation

DEPT OF DEFENSE
NEW YORK, NY
NAICS 237990
Posted Aug 7, 2026

Z-ZION- Crawford Dam Removal and Diversion

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 237990
Posted Aug 7, 2026

Z-BISO MAINT TO BANDY CREEK WATER TANK

INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 237110
Posted Aug 7, 2026

WA NP MORA 11(1), Fryingpan Creek Bridge

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Aug 7, 2026

Scattered Sites Well Drilling Project CA22-D46 / EDO-295-D46

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SACRAMENTO, CA
NAICS 237110
Posted Aug 7, 2026
No Set Aside

FY26 Multi-Area Stormwater Drainage Repairs

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Aug 7, 2026
HUBZone

Tres Piedras Waterline Replacement

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Aug 6, 2026
Small Business Set Aside - Total

Y-KS FLINT HILLS NWR PRKING LOT REPLACEMENT

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237310
Posted Aug 6, 2026

Y-Indian Springs Vault Toilet

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 237990
Posted Aug 6, 2026

ACRx Tesuque Peak and Sandia Crest, New Mexico

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237130
Posted Aug 6, 2026
Small Business Set Aside - Total

Y-Shiprock-Vernal-Hayden Substation HVAC

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Aug 6, 2026

Smithville Dam and Reservoir / Tuttle Creek Dam and Reservoir FY26 Roadwork Project

DEPT OF DEFENSE
KANSAS CITY, MO
NAICS 237310
Posted Aug 6, 2026

Bayou Teche, East and West Calumet Floodgate Approach Channels, Maintenance Dredging, St. Mary Parish, Louisiana ED 26-005

DEPT OF DEFENSE
NEW ORLEANS, LA
NAICS 237990
Posted Aug 6, 2026
Small Business Set Aside - Total

CUSTER GALLATIN NATIONAL FOREST - Sweet Trunk Trail #274

AGRICULTURE, DEPARTMENT OF
BOZEMAN, MT
NAICS 237990
Posted Aug 5, 2026
Small Business Set Aside - Total

Green Mountain General Roads/Civil Construction IDIQ

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 237310
Posted Aug 5, 2026
Small Business Set Aside - Total

Y-MI-SENEY NWR-DC DAM DECOMMISIONING

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237990
Posted Aug 5, 2026