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

JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4

Tybee Island Shoreline Protection Project

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

Coos Bay Pier Utilities

W9127N27BA005 Foster Spillway Gate Nut Replacements and Re-Tensioning

Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract

Norfolk Harbor Inner Channel to Newport News Maintenance Dredging located in Hampton Roads, Virginia

GAOA Pine Creek Vault Toilet HTNF

KC-46A ADAL Apron and Hydrant Fueling Pits

Webbers Falls Excitation System Replacements

Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH

JOHN DAY DAM UNIT 10 PACKING BOX REPLACEMENT

GAOA Tony Grove Dam Spillway Capacity & Seismic Mitigation, Uinta/Wasatch/Cache National Forest

Gravesite Expansion Florence National Cemetery 943CM3023

P110 CAPE CANAVERAL RAILHEAD AND TRANSFER FACILITIES AT KENNEDY SPACE CENTER, FLORIDA

B--GUSG HABITAT HYDRO-LOGIC RESTORATION 202

Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4

PASS-A-GRILLE-PASS, MAINTENANCE DREDGING, PINELLAS COUNTY, FLORIDA

Stove Prairie Campground Gate Replacement

Borough of Millvale, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation

Sources Sought for FY26 Atlantic Intracoastal Waterway Maintenance Dredging �� Select Sites

Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging

CONCORDIA PARISH, LOUISIANA; FC/MR and T, WBMRL; LEVEE, ENLARGEMENT AND BERMS; UPPER LAKE CONCORDIA - VIDALIA, ITEM 367-R

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

Other Heavy and Civil Engineering Construction contracts

About NAICS 237990

JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4

Tybee Island Shoreline Protection Project

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

Coos Bay Pier Utilities

W9127N27BA005 Foster Spillway Gate Nut Replacements and Re-Tensioning

Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract

Norfolk Harbor Inner Channel to Newport News Maintenance Dredging located in Hampton Roads, Virginia

GAOA Pine Creek Vault Toilet HTNF

KC-46A ADAL Apron and Hydrant Fueling Pits

Webbers Falls Excitation System Replacements

Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH

JOHN DAY DAM UNIT 10 PACKING BOX REPLACEMENT

GAOA Tony Grove Dam Spillway Capacity & Seismic Mitigation, Uinta/Wasatch/Cache National Forest

Gravesite Expansion Florence National Cemetery 943CM3023

P110 CAPE CANAVERAL RAILHEAD AND TRANSFER FACILITIES AT KENNEDY SPACE CENTER, FLORIDA

B--GUSG HABITAT HYDRO-LOGIC RESTORATION 202

Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4

PASS-A-GRILLE-PASS, MAINTENANCE DREDGING, PINELLAS COUNTY, FLORIDA

Stove Prairie Campground Gate Replacement

Borough of Millvale, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation

Sources Sought for FY26 Atlantic Intracoastal Waterway Maintenance Dredging ��������� Select Sites

Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging

CONCORDIA PARISH, LOUISIANA; FC/MR and T, WBMRL; LEVEE, ENLARGEMENT AND BERMS; UPPER LAKE CONCORDIA - VIDALIA, ITEM 367-R

Sources Sought for FY26 Atlantic Intracoastal Waterway Maintenance Dredging �� Select Sites