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

Station Umpqua River Floating Dock Repair

Horizontal Construction MATOC

KB Dock Piers Ladder Replacement

Z--Webster Dam Spillway Radial Gates Repair

C&O CANAL NATIONAL HISTORICAL PARK - FY26 REPAIR I

NAICS 237990 PSC Y1PZ--CONS: 909CM3030 Fort Custer NC - Cemetery Expansion and Site Improvements (VA-26-00046764)

EWP Nowata County, OK - NS 411 Rd Nowata County, OK - NRCS-OK

USACE SPK DBB Construction - Natomas Reach I Contract 2 - Sacramento, CA

LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)

Barataria Bay Waterway, Maintenance Dredging (Non-Continuous) Bayou Rigaud, Jefferson Parish, Louisiana (ED-25-008)

GAOA Sand Pond Trail Boardwalk Replacement Tahoe NF

Calcasieu River and Pass, LA, Maintenance Dredging FY26, Mile 5.0 to Mile 17.0, Including Beneficial Use Within CWPPRA Sabine Cycle 6 Marsh Creation Areas, Calcasieu and Cameron Parishes, LA ED 23-024

EIGHT MILE VAULT TOILET INSTALL

Thomas J. O Brien (TJO) Embankment Repair

Calcasieu River and Pass Dredged Material Management Plan, CDF-22 Degrading

CONANT BANK STABILIZATION

Thomas J. O Brien (TJO) Embankment Repair

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

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

Z--Folsom Warehouse Bridge Crane Replacement

GAOA Kents Lk. CG Reconstruction, Fishlake NF, Utah

Calcasieu River and Pass Dredged Material Management Plan, CDF-22 Degrading

Z--CABLEWAY CRANE REFURBISHMENT

Prosser Creek Dam Basin Cleanup

Fort Eustis Dredge Material Management Area (FEDMMA)