Other Heavy and Civil Engineering Construction

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Top Industries

  • Other Heavy and Civil Engineering Construction843
  • NAICS 237990 Other Heavy and Civil Engineering Construction5
  • Other Heavy and Civil Engineering Construction3

Set-Aside Distribution

  • 373
  • Small Business243
  • No Set Aside77
  • Small Business Set Aside - Total75
  • SDVOSB43

Top Locations

  • LA98
  • VA84
  • CA51
  • MI45
  • MO45

About NAICS23799

The North American Industry Classification System (NAICS) code 23799 covers other 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 Savannah Inner Harbor Dredging Project Contract Award

DEPT OF DEFENSE
SAVANNAH, GA
NAICS 237990
Posted Aug 13, 2026

Z-Conlon Creek Culvert Removal & Restoration, GOGA

INTERIOR, DEPARTMENT OF THE
SAN FRANCISCO, CA
NAICS 237990
Posted Aug 13, 2026

James River Maintenance Dredging IDIQ

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Aug 13, 2026
Small Business Set Aside - Total

Webbers Falls Excitation System

DEPT OF DEFENSE
TULSA, OK
NAICS 237990
Posted Aug 13, 2026

Crains Island Stage 3

DEPT OF DEFENSE
SAINT LOUIS, MO
NAICS 237990
Posted Aug 12, 2026
Small Business Set Aside - Total

Z-CABLEWAY CRANE REFURBISHMENT

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 237990
Posted Aug 12, 2026
Due Dec 18, 2026

RENO BOTTOMS HREP - STAGE 2 - ICE HAUL SLOUGH

DEPT OF DEFENSE
SAINT PAUL, MN
NAICS 237990
Posted Aug 12, 2026
Small Business Set Aside - Total

Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair

Small Business Administration (SBA)
HI
NAICS 237990
Posted Aug 11, 2026
Due Sep 30, 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)

70Z08826B0000123 Bid Abstract: Repair & Replace ATON, USCG Base Tongue Point/Columbia River

HOMELAND SECURITY, DEPARTMENT OF
OAKLAND, CA
NAICS 237990
Posted Aug 11, 2026
Small Business Set Aside - Total

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

Y-Indian Springs Vault Toilet

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 237990
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

Y-MI-SENEY NWR-DC DAM DECOMMISIONING

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

BONNEVILLE SPILLWAY GANTRY CRANE REHABILITATION

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