NAICS 237990

Other Heavy and Civil Engineering Construction contracts

Open federal opportunities classified under NAICS 237990.

What next? Found opportunities you can win? Apply for access to bid with AI.

Apply for access →

Get email alerts for this search

New contracts matching these filters, straight to your inbox. No account needed.

We’ll only email you about matching contracts. Want instant alerts, saved searches and AI proposals? Apply for access →

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.

New to this market? Read the in-depth guide: How to win NAICS 237990 (Other Heavy and Civil Engineering Construction) federal contracts →

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

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. 4-2026 (OM26004)

Gulf Coast Regional Hopper (OM26300)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 7-2026 (OM26007)

Port Fourchon Navigation Channel, Maintenance Dredging FY26, Lafourche Parish, LA

Mississippi River, New Orleans Harbor and Various Bar Channels Cutterhead, No. 6-2025

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 1-2026 (OM26001)

Mississippi River, New Orleans Harbor And Various Bar Channels Cutterhead No 4-2025

ATCHAFALAYA RIVER BAY, BAR, AND CREWBOAT CUT CUTTERHEAD DREDGE NOS. 4-2026, OM26062

ATCHAFALAYA RIVER BAY, BAR, AND CREWBOAT CUT CUTTERHEAD DREDGE NOS. 1-2026, OM26059

ATCHAFALAYA RIVER BAY, BAR, AND CREWBOAT CUT CUTTERHEAD DREDGE NOS. 3-2026, OM26061

ATCHAFALAYA RIVER BAY, BAR, AND CREWBOAT CUT CUTTERHEAD DREDGE NOS. 2-2026, OM26060

Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 3-2026 Specification No. OM26277

Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 2-2026 Specification No. OM26276

Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 4-2026 Specification No. OM26278

Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 1-2026 Specification No. OM26275

Philpott Anchors and Instrumentation Construction

FY26 Harlingen Placement Area (PA)13 and 10 Improvements

James River Dredging Industry Day-Post Event Docs

Fort Eustis Dredge Material Management Area Construction in Newport News, Virginia

FY26 anticipated stone work requirements within the Mississippi Valley Division (MVD) in the Memphis (W912EQ), Vicksburg (W912EE), and New Orleans (W912P8) Districts

FY26 Willapa Harbor Maintenance Dredging

Passes of the Mississippi River, South Pass, Maintenance Dredging ( Non-Continuous), Plaquemines Parish, LA ED-25-004

Passes of the Mississippi River, South Pass, Maintenance Dredging ( Non-Continuous), Plaquemines Parish, LA ED-25-004

Mississippi River, Baton Rouge to the Gulf, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 2-2025. Specification No. OM25136