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.

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Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 10-2026 (OM26010)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 6-2026 (OM26006)

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)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 2-2026 (OM26002)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 5-2026 (OM26005)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 4-2026 (OM26004)

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

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 3-2026 (OM26003)

Annual Maintenance Dredging of Morehead City Inner Harbor

Mississippi River, Baton Rouge to Gulf of Mexico, Southwest Pass Maintenance Dredging, Non-Continuous Mile 6.0 AHP to Mile 19.5 BHP, Cutterhead Dredge No. 3-2025 (OM25277)

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

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 5-2026 (OM26005)

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 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)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 2-2026 (OM26002)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 6-2026 (OM26006)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 3-2026 (OM26003)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 8-2026 (OM26008)

Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 10-2026 (OM26010)

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

Gulf Coast Regional Hopper (OM26300)