NAICS 237990

Other Heavy and Civil Engineering Construction contracts

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Set-asides used in this sector

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.

Full NAICS 237990 guide →

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Reservoir Embankment Rehabilitation, Stuttgart, AR

Atlantic Intracoastal Waterway (AIWW) Snows Cut Shoreline Erosion Bank Stabilization

Deer Island Ecosystem Restoration, Phase 1 Deer Island, MS (Harrison County)

Maintenance Dredging, Wilmington Harbor Anchorage Basin and Mid River Channels

ACEP WRE Easement Repair (Dike Repair)-Madison Township, Perry County, Ohio

Y--Bannock Pumping Plant Rehabilitation

FOMA REPLACE NATURE TRAIL BOARDWALK RS

Tenkiller Hydropower Excitation System Replacement

Z--Conlon Creek Culvert Removal & Restoration, GOGA

Y--SC WACCAMAW NWR RICE TRUNKS REPAIR

Flood Control, MR&T, Indefinite Delivery – Indefinite Quantity Contract, 2026 Stone Placement, Mississippi, Atchafalaya, and Red Rivers, and Old River Control Channels, CEMVN (ED 26-026)

CTNF Teton Basin Grants Darby Single Vault Toilet

Bear Creek Service & Emergency Gates Replacement

LAKE - EXTEND RAMP AT PEARCE FERRY

RIO DE LA PLATA FLOOD CONTROL PROJECT, SUPPLEMENTAL CONTRACT 1 PROJECT LOCATION: DORADO AND TOA BAJA, PUERTO RICO

James River Maintenance Dredging IDIQ

NM DEXTER NFHTC POND LINER 12B & 13B

FY2025 IDIQ, Atchafalaya Basin, Gulf Intracoastal Waterway (GIWW) and Miscellaneous Projects Cutterhead Dredge

Design-Bid-Build (DBB), Firm-Fixed-Price (FFP), Construction Contract for P617 Transit Protection Program Facility at Naval Submarine Base (NSB) Kings Bay, Georgia

Design-Bid-Build, P1102 Weapons Magazine and Ordnance Operations Facility, Naval Submarine Base New London, Groton, Connecticut

NPS - REPAIR EQUIPMENT STORAGE SHED AT CARL

Y--FOMA REPLACE NATURE TRAIL BOARDWALK RS

Mississippi River Southwest Pass and Calcasieu River Bar Channel Hopper Dredge Contract (OM26011)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 9-2026 (OM26009)

Gulf Coast Regional Hopper (OM26300)