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.

Y-FORT HOWES WATER STORAGE TANK

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 237110
Posted Aug 5, 2026

Y1NZ-Design-Build (DB) Connect Reclaim Water at Lake Baldwin Campus

VETERANS AFFAIRS, DEPARTMENT OF
TAMPA, FL
NAICS 237110
Posted Aug 5, 2026
SDVOSB

Cahokia Heights Sanitary Sewer Trunkline Upper Limits Project

DEPT OF DEFENSE
SAINT LOUIS, MO
NAICS 237110
Posted Aug 4, 2026

BONNEVILLE SPILLWAY GANTRY CRANE REHABILITATION

DEPT OF DEFENSE
PORTLAND, OR
NAICS 237990
Posted Aug 4, 2026
No Set Aside

API 653 Fuel Tank Repairs and Maintenance - Eielson AFB, Alaska

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Aug 3, 2026
8(a) Set-Aside

Terrytown Well Grand Mesa, Uncompahgre & Gunnison (GMUG) National Forests, Colorado

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Aug 3, 2026
Small Business Set Aside - Total

Ohio County EWP Streambank Stabilization Dixon and McGraw's Run -USDA-NRCS-WV\

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237990
Posted Aug 3, 2026
Small Business Set Aside - Total

Blythe Easement WRE Construction, Fayette County- NRCS-IL

AGRICULTURE, DEPARTMENT OF
WASHINGTON, DC
NAICS 237990
Posted Aug 3, 2026
Small Business Set Aside - Total

Fort Sam Houston National Cemetery, Phase 3 Expansion - Additional Road Repairs

VETERANS AFFAIRS, DEPARTMENT OF
WASHINGTON, DC
NAICS 237310
Posted Aug 3, 2026
SDVOSB

Consolidation D&F - Consolidation Determination and Findings, 8(a) SATOC for General Repairs and Construction of Federal agencies within the Gulf Coast, Tyndall, Jacksonville, and Florida Area Office Area of Responsibility (AOR)

DEPT OF DEFENSE
MOBILE, AL
NAICS 237990
Posted Aug 3, 2026

Oahe IDCC Road Maintenance 2026

DEPT OF DEFENSE
OMAHA, NE
NAICS 237310
Posted Aug 3, 2026
Small Business Set Aside - Total

Freeport Harbor, Texas Placement Area No. 1 Improvements, Brazoria County, Texas

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Aug 3, 2026
Small Business Set Aside - Total

GIWW Corpus Christi Bay to Port Isabel and Channel toHarlingen Pipeline Dredging, Nueces, Kleberg, Kenedy, Willacy, and Cameron Counties, Texas

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Aug 3, 2026
No Set Aside

Galveston Harbor and Channel - San Jacinto PA Improvements in Galveston County, Texas

DEPT OF DEFENSE
GALVESTON, TX
NAICS 237990
Posted Aug 3, 2026
Small Business Set Aside - Total

Z-Trail Replacement @ INDU

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 237990
Posted Jul 31, 2026

CA NP MOJA 11(2) 10(2) KELBAKER, KELSO-CIMA, CIMA and MORNING STAR MINE ROADS

TRANSPORTATION, DEPARTMENT OF
LAKEWOOD, CO
NAICS 237310
Posted Jul 31, 2026
No Set Aside

Y-North Gunnison Substation 115kV Switch Installation

ENERGY, DEPARTMENT OF
LOVELAND, CO
NAICS 237130
Posted Jul 31, 2026

Repair Base Pavements

DEPT OF DEFENSE
WESTOVER AFB, MA
NAICS 237310
Posted Jul 31, 2026
Small Business Set Aside - Total

Oregon/Washington Clamshell Maintenance Dredging 2026

DEPT OF DEFENSE
PORTLAND, OR
NAICS 237990
Posted Jul 31, 2026
Small Business Set Aside - Total

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 Jul 31, 2026
Small Business Set Aside - Total