Other Heavy and Civil Engineering Construction

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  • Other Heavy and Civil Engineering Construction774
  • NAICS 237990 Other Heavy and Civil Engineering Construction5
  • Other Heavy and Civil Engineering Construction3

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  • 331
  • Small Business296
  • No Set Aside74
  • SDVOSB41
  • HUBZone9

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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.

Y-YOSE 215363 - Replace Tuolumne Meadows Wastewater Treatment Plant, at Yosemite National Park in California.

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 237990
Posted Jun 11, 2026

Marine Corps Support Facility Blount Island Maintenance Dredging, Duval County, Florida

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jun 11, 2026
Small Business

Fort Myers Beach Harbor, Maintenance Dredging Lee County, Florida

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jun 11, 2026
Small Business

Z-BROKEN DOMESTIC WATER LINE REPAIR, BOZEMAN FISH TE

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237990
Posted Jun 11, 2026

Alvin Bush Dam Rock Wall Stabilization, Kettle Creek, Clinton County, PA

DEPT OF DEFENSE
BALTIMORE, MD
NAICS 237990
Posted Jun 10, 2026

Tongass NF Helicopter Pad Replacement

AGRICULTURE, DEPARTMENT OF
KLAMATH FALLS, OR
NAICS 237990
Posted Jun 10, 2026
Small Business

Biloxi National Cemetery Expansion and FCA Deficiencies

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Jun 10, 2026
SDVOSB

Naval Submarine Base Kings Bay, Maintenance Dredging, Camden County, Georgia

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jun 9, 2026
Small Business

C-D-B North Fume Replacement, Sacramento National Wildlife Refuge

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 237990
Posted Jun 9, 2026

INTRACOASTAL WATERWAY MAINTENANCE DREDGING VICINITY OF BAKERS HAULOVER, MIAMI-DADE COUNTY, FLORIDA.

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 237990
Posted Jun 8, 2026
Small Business

Keystone Tainter Gate Repairs

DEPT OF DEFENSE
TULSA, OK
NAICS 237990
Posted Jun 5, 2026

Indefinite Delivery/Indefinite Quantity (IDIQ), Multiple Award Task Order Contract (MATOC), for Mississippi River Stone Placement, Within the Boundaries of the Vicksburg District

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 237990
Posted Jun 5, 2026

Indefinite Delivery/Indefinite Quantity (IDIQ), Multiple Award Task Order Contract (MATOC), for Mississippi River Stone Placement, Within the Boundaries of the Vicksburg District

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 237990
Posted Jun 5, 2026

Indefinite Delivery/Indefinite Quantity (IDIQ), Multiple Award Task Order Contract (MATOC), for Mississippi River Stone Placement, Within the Boundaries of the Vicksburg District

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 237990
Posted Jun 5, 2026

Indefinite Delivery/Indefinite Quantity (IDIQ), Multiple Award Task Order Contract (MATOC), for Mississippi River Stone Placement, Within the Boundaries of the Vicksburg District

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 237990
Posted Jun 5, 2026

RESERVE BASIN MAINTENANCE DREDGING CONTRACT FOR SITES AT THE PHILDELPHIA NAVY YARD IN THE PUBLIC WORKS DEPARTMENT PENNSYLVANIA AREA OF RESPONSIBILIY

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Jun 2, 2026
Due Aug 19, 2026
No Set Aside

Repair Waterfront Phase 2 at USCG Station Portsmouth Harbor (New Castle, New Hampshire)

HOMELAND SECURITY, DEPARTMENT OF
WARWICK, RI
NAICS 237990
Posted Jun 2, 2026
Small Business

Oswego Breakwater

DEPT OF DEFENSE
BUFFALO, NY
NAICS 237990
Posted Jun 2, 2026
Small Business

FY26 Georgetown Harbor OM Navigation Dredging

DEPT OF DEFENSE
CHARLESTON, SC
NAICS 237990
Posted Jun 1, 2026
Small Business

Levee Repair at MRLS L246

DEPT OF DEFENSE
KANSAS CITY, MO
NAICS 237990
Posted May 28, 2026
Small Business