NAICS codes / 237990
NAICS 237990: Other Heavy and Civil Engineering Construction — open federal opportunities
100+ open notices on SAM.gov. Top buyers: DEPT OF DEFENSE (232), INTERIOR, DEPARTMENT OF THE (16), VETERANS AFFAIRS, DEPARTMENT OF (11), AGRICULTURE, DEPARTMENT OF (7).
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FWS - Pixley NWR Water Recirculation Design-Build
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Combined Synopsis/Solicitation · posted Oct 30, 2026
Repair Aids to Navigation (ATON) - Southern Area of USCG District Northeast
HOMELAND SECURITY, DEPARTMENT OF · US COAST GUARD · Presolicitation · posted Oct 30, 2026
Small Business Multiple Award Task Order Contract (MATOC) for the Missouri River Bank Stabilization and Navigation Project (BSNP)
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 30, 2026
NAICS 237990Small Business (total)
W912EE27BA001 - Lease of One Cutterhead, Hydraulic Pipeline Dredge (Not Less Than 18-Inch Diameter) Fully Operated with Attendant Plant and Personnel, and with a Draft not to Exceed 9 Feet, for Construction and Maintenance Dredging - MS River Harbors
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 30, 2026
W912EE27BA002 - Lease of One Cutterhead, Hydraulic Pipeline Dredge (Not Less Than 24-Inch Diameter) Fully Operated with Attendant Plant and Personnel, and with a Draft not to Exceed 9 Feet, for Construction and Maintenance Dredging - JBJ Waterway
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 30, 2026
St. Lucie South Jetty Repair Industry Day
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 30, 2026
GAOA Pine Creek Vault Toilet HTNF
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 29, 2026
Y1JZ--926CM3010 Cemetery Expansion and FCA Improvements Project Washington Crossing National Cemetery
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Sources Sought · posted Oct 29, 2026
F--Sources Sought - Boca Chita Key Erosion Stabilization
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Special Notice · posted Oct 29, 2026
NAICS 237990Due Nov 5, 2026
Webbers Falls Excitation System Replacements
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 29, 2026
NAICS 237990Due Nov 5, 2026
Webbers Falls Excitation System Replacements
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 29, 2026
NAICS 237990Due Nov 5, 2026
Mid-Bay James Island Restoration Phase 2
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 29, 2026
NAICS 237990Due Nov 30, 2026
Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 29, 2026
NAICS 237990Due Nov 3, 2026
Virtual Industry Day for FY27 USACE Enterprise Dredge Delivery Center National Small Business MATOC
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 29, 2026
NAICS 237990Due Jan 12, 2027
Virtual Industry Day for FY27 USACE Enterprise Dredge Delivery Center National Small Business MATOC
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 29, 2026
Y--Timucuan Ecological and Historic Preserve TIMU-335
INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 28, 2026
NAICS 237990Due Nov 13, 2026
Y--Timucuan Ecological and Historic Preserve TIMU-335
INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 28, 2026
NAICS 237990Due Nov 13, 2026
PASS-A-GRILLE-PASS, MAINTENANCE DREDGING, PINELLAS COUNTY, FLORIDA
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 28, 2026
Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract
DEPT OF DEFENSE · DEPT OF THE NAVY · Solicitation · posted Oct 28, 2026
NAICS 237990Due Dec 1, 2026
Duluth Vessel Yard Phase III Repairs
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 28, 2026
Mid-Bay James Island Restoration Phase 2
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 28, 2026
NAICS 237990Due Nov 30, 2026
Houston Ship Channel (HSC) Expansion Channel Improvement Project (ECIP) 11, Package 9, Segment 4 Boggy Bayou to Sims Bayou
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 28, 2026
NAICS 237990Due Dec 1, 2026
FY27 Texas City Ship Channel Main Channel and Turning Basin
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 28, 2026
Construction Services for Confined Aquatic Disposal Cell Construction and Maintenance Dredging of the Providence River Federal Navigation Project, Providence, Rhode Island.
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 28, 2026
Design-Build Repair and Renovation of the Gulf Marine Service Facility (GMSF) & Wharf Repairs, in Pascagoula, Mississippi
COMMERCE, DEPARTMENT OF · NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION · Sources Sought · posted Oct 27, 2026
Y--MOD/MODE/US BYPASS CANAL REPAIRS
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Presolicitation · posted Oct 27, 2026
NAICS 237990HUBZone
Y1PZ--Fort Sill NC Gravesite Expansion and FCA Deficiencies 920CM3006
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Solicitation · posted Oct 27, 2026
Y1PZ--Fort Sill NC Gravesite Expansion and FCA Deficiencies 920CM3006
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Solicitation · posted Oct 27, 2026
Eufaula Powerhouse Hydroelectric Generator Rewind
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 27, 2026
Thomas J O Brien Lock and Dam Major Rehabilitation - Construction, Chicago, Cook County, Illinois
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 27, 2026
NAICS 237990Due Nov 27, 2026
Davis Building Rehabilitation
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 27, 2026
JP Murtha Float Mooring Bitts Retrofit
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 27, 2026
NAICS 237990Due Nov 5, 2026
NAVIGATION LOCK TAINTER VALVE (TV) REPAIR, TV1
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 27, 2026
NAICS 237990Due Nov 30, 2026
FY26 Clouter Creek Middle and Highway Cell Diking
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 27, 2026
FY26 HOUSTON SHIP CHANNEL, TEXAS BAYPORT FLARE HOPPER DREDGING
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 27, 2026
NAICS 237990Due Nov 10, 2026
Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 27, 2026
NAICS 237990Due Nov 3, 2026
Construction Services for Confined Aquatic Disposal Cell Construction and Maintenance Dredging of the Providence River Federal Navigation Project, Providence, Rhode Island.
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 27, 2026
Fort Bliss National Cemetery, Gravesite Expansion and FCA Deficiencies
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Solicitation · posted Oct 26, 2026
Pre-Solicitation Notice for Indefinite Delivery Contract (IDC) for Regional Dredge Multiple Award Task Order (MATOC) - USACE Huntington District - W91237-27-R-A003
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 26, 2026
NAICS 237990Due Dec 9, 2026
LOWER BRULE NORTH SHORELINE STABILIZATION AND ECOSYSTEM RESTORATION, ELEMENT 2
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 26, 2026
CONCORDIA PARISH, LOUISIANA; FC/MR and T, WBMRL; LEVEE, ENLARGEMENT AND BERMS; UPPER LAKE CONCORDIA - VIDALIA, ITEM 367-R
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 26, 2026
JELA 325250 335621 - Rehabilitate Cemetery
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Solicitation · posted Oct 23, 2026
Sources Sought:Neopit Dam Remediation Construction
INTERIOR, DEPARTMENT OF THE · BUREAU OF INDIAN AFFAIRS · Sources Sought · posted Oct 23, 2026
NAICS 237990Due Nov 2, 2026
Fishtrap Lake Intake Structure and Dam Rehabilitation; W91237-26-R-A020
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 23, 2026
NAICS 237990Due Nov 6, 2026
Tampa Harbor Improvements Industry Day
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 23, 2026
USACE National Enterprise Dredging Center Scope Dredge to Budget Contract
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 23, 2026
Y--Timucuan Ecological and Historic Preserve TIMU-335
INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 22, 2026
NAICS 237990Due Nov 13, 2026
Tenkiller Hydropower Excitation System Replacement
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 22, 2026
P-1417: Containerized Long Weapons Storage Magazine, Naval Weapons Station Yorktown, Yorktown, Virginia & P-1418: Conventional Prompt Strike (CPS) Weapons Maintenance and Storage Facility, Naval Weapons Station Yorktown, Yorktown, Virginia
DEPT OF DEFENSE · DEPT OF THE NAVY · Special Notice · posted Oct 22, 2026
Canonsburg-Houston, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 22, 2026
JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 22, 2026
NAICS 237990Due Nov 19, 2026
St Francis Town Levee Renovation
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 22, 2026
Tybee Island Shoreline Protection Project
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 22, 2026
NAICS 237990Due Nov 6, 2026
Tybee Island Shoreline Protection Project
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 22, 2026
USACE National Enterprise Dredging Center Scope Dredge to Budget Contract
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 22, 2026
USACE National Enterprise Dredging Center Scope Dredge to Budget Contract
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 22, 2026
USACE EDDC Scope Dredge to Budget RFP DRAFT
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 22, 2026
USACE EDDC Scope Dredge to Budget RFP DRAFT
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 22, 2026
GAOA Tony Grove Dam Spillway Capacity & Seismic Mitigation, Uinta/Wasatch/Cache National Forest
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 21, 2026
GAOA Pine Creek Vault Toilet HTNF
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 21, 2026
Y--MRG LSARI PROJECT DESIGN-BUILD CONTRACT
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Special Notice · posted Oct 21, 2026
Gravesite Expansion Florence National Cemetery 943CM3023
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Sources Sought · posted Oct 21, 2026
Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract
DEPT OF DEFENSE · DEPT OF THE NAVY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Dec 1, 2026
P110 CAPE CANAVERAL RAILHEAD AND TRANSFER FACILITIES AT KENNEDY SPACE CENTER, FLORIDA
DEPT OF DEFENSE · DEPT OF THE NAVY · Presolicitation · posted Oct 21, 2026
Norfolk Harbor Inner Channel to Newport News Maintenance Dredging located in Hampton Roads, Virginia
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
Norfolk Harbor Inner Channel to Newport News Maintenance Dredging located in Hampton Roads, Virginia
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
KC-46A ADAL Apron and Hydrant Fueling Pits
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Nov 18, 2026
Coos Bay Pier Utilities
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
W9127N27BA005 Foster Spillway Gate Nut Replacements and Re-Tensioning
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 21, 2026
W9127N27BA005 Foster Spillway Gate Nut Replacements and Re-Tensioning
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 21, 2026
W9127N27BA011 - JOHN DAY DAM UNIT 10 PACKING BOX REPLACEMENT
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Dec 4, 2026
JOHN DAY DAM UNIT 10 PACKING BOX REPLACEMENT
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
Webbers Falls Excitation System Replacements
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Nov 3, 2026
Arcadia Wet Well Rehabilitation
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Nov 9, 2026
USACE Rock Island - 1st Floor South Annex Remodel
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 21, 2026
NAICS 237990Women-Owned Small Business (WOSB)
Belle Fountain Ditch Cleanout Phase 2
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026
NAICS 237990Due Dec 9, 2026
Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 21, 2026
Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 21, 2026
Stove Prairie Campground Gate Replacement
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Solicitation · posted Oct 20, 2026
1240LT27Q0005
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Solicitation · posted Oct 20, 2026
B--GUSG HABITAT HYDRO-LOGIC RESTORATION 202
INTERIOR, DEPARTMENT OF THE · BUREAU OF LAND MANAGEMENT · Combined Synopsis/Solicitation · posted Oct 20, 2026
Y--MRG LSARI PROJECT DESIGN-BUILD CONTRACT
INTERIOR, DEPARTMENT OF THE · DEPARTMENTAL OFFICES · Special Notice · posted Oct 20, 2026
PASS-A-GRILLE-PASS, MAINTENANCE DREDGING, PINELLAS COUNTY, FLORIDA
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 20, 2026
JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 20, 2026
NAICS 237990Due Nov 19, 2026
LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 20, 2026
NAICS 237990Due Nov 16, 2026
Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 20, 2026
Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 20, 2026
Y--Timucuan Ecological and Historic Preserve TIMU-335
INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 19, 2026
NAICS 237990Due Nov 6, 2026
Lowell Creek Tunnel Repairs, Seward, Alaska
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 19, 2026
Lowell Creek Tunnel Repairs, Seward, Alaska
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 19, 2026
NAICS 237990Seward, AK
Borough of Millvale, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 19, 2026
Sources Sought for FY26 Atlantic Intracoastal Waterway Maintenance Dredging ????????? Select Sites
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 19, 2026
NAICS 237990Due Nov 20, 2026
Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 19, 2026
CORINTH NATIONAL CEMETERY, 838CM3036 – GRAVESITE EXPANSION AND CEMETERY IMPROVEMENTS
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Presolicitation · posted Oct 18, 2026
CORINTH NATIONAL CEMETERY, 838CM3036 – GRAVESITE EXPANSION AND CEMETERY IMPROVEMENTS
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Presolicitation · posted Oct 18, 2026
MILL SPRINGS NATIONAL CEMETERY GRAVESITE EXPANSION
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Sources Sought · posted Oct 18, 2026
SOURCES SOUGHT NOTICE FOR PROJECT LABOR AGGREEMENTS (PLAs) TO COASTAL STORM RISK MANAGEMENT (CSRM) FOR CAPE MAY TO LOWER TOWNSHIP, NEW JERSEY, BRIGANTINE INLET TO GREAT EGG HARBOR INLET (ABSECON ISLAND), NEW JERSEY, AND BARNEGAT INLET TO LITTLE EGG, INLET
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 18, 2026
SOURCES SOUGHT NOTICE FOR PROJECT LABOR AGGREEMENTS (PLAs) TO COASTAL STORM RISK MANAGEMENT (CSRM) FOR CAPE MAY TO LOWER TOWNSHIP, NEW JERSEY, BRIGANTINE INLET TO GREAT EGG HARBOR INLET (ABSECON ISLAND), NEW JERSEY, AND BARNEGAT INLET TO LITTLE EGG, INLET
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 18, 2026
SOURCES SOUGHT NOTICE FOR PROJECT LABOR AGGREEMENTS (PLAs) TO COASTAL STORM RISK MANAGEMENT (CSRM) FOR BETHANY BEACH AND SOUTH BETHANY BEACH, DE (CSRM - BEACHFILL), FENWICK ISLAND, DE (CSRM – BEACHFILL), REHOBOTH BEACH & DEWEY BEACH, DE (CSRM – BEACHFILL)
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 18, 2026
Related NAICS codes (industry group 2379)
- 23799 Other Heavy and Civil Engineering Construction (2 open)
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