NAICS 237990

Other Heavy and Civil Engineering Construction contracts

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Small Business8(a)HUBZoneSDVOSB

About NAICS 237990

Heavy and civil engineering construction not classified elsewhere — including dams, dredging, marine construction, and other heavy-civil works. Used for federal Corps of Engineers civil-works projects, port construction, and similar specialised infrastructure.

Typical award value: $2M – $250M+ per award.

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Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

MOUTH OF THE COLUMBIA RIVER - NORTH JETTY MAJOR MAINTENANCE - PHASE II

TN-TN NWR-WCS MATERIALS

Port Everglades Harbor Maintenance Dredging Broward County, Florida

CAMP NELSON NATIONAL CEMETERY, KY 833CM3030 – CORRECT FCA DEFICIENCIES

Q4 FY26 Baltimore Harbor and Channels Maintenance Dredging, Maryland Channels, Chesapeake Bay, MD

Bradbury Dam Outlet Valve Replacement

REPAIR & REPLACE ATON AT THE U.S. COAST GUARD (USCG), BASE TONGUE POINT/COLUMBIA RIVER; ASTORIA, OR

MOTCO Rail Curves Package 3

Z1LC--CTX Steam Tunnel Repairs

Y--East Park Boat Ramp Improvement Project

FY26 MOTSU Berms

Z--Folsom Dam Warehouse Bridge Crane Replacement

OHARNG Tactical Vehicle Maneuver Lane Improvement at Camp James A. Garfield Joint Military Training Center (CJAG)

Z--Bradbury Dam Outlet Valve Replacement

GAOA Greenough Campground Reconstruction, Custer-Gallatin National Forest

Culver Gulch Shaft Closure

Kahauiki Stream Maintenance Dredging, Phase 2, Fort Shafter Flats, Oahu, Hawaii

Mississippi River, RM 488.5-L, FC/MR&T, Channel Improvement, Ben Lomond Dike 2C Extension, and Baleshed Landing Dike 6 Raise

Cheesequake Creek East Jetty Rehabilitation

Z--Folsom Dam Vessel Exclusion Barrier and Debris Boo

INDEFINITE DELIVERY INDEFINITE QUANTITY MULTIPLE AWARD CONSTRUCTION CONTRACT FOR NEW CONSTRUCTION, REPAIR, AND RENOVATION OF VARIOUS WATERFRONT FACILITIES PROJECTS AT VARIOUS GOVERNMENT INSTALLATIONS LOCATED IN CA, AZ, NV, UT, CO, AND NM

RICHMOND INNER HARBOR FY26 MAINTENANCE DREDGING PROJECT

IFB: FY26 Dredging and Sediment Disposal at USCG San Francisco Bay Area-Three (3) Locations

Z--Spillway Gantry Crane Removal, Tiber Dam, Montana

PHILLIPS RESERVOIRS REPAIR