UKNAICS 237990
Other Heavy and Civil Engineering Construction contracts
Open federal opportunities classified under NAICS 237990.
101 opportunities open now
SolicitationSDVOSB
Closes in 5 daysDanville National Cemetery – National Shrine Project 809-NSP25-006
Veterans Affairs, Department of
237990 · Other Heavy and Civil Engineering Cons… Illinois Posted Jun 07, 2026
SolicitationSmall Business
Closes in 27 daysY--MI-SENEY NWR-DC DAM DECOMMISIONING
Interior, Department of the
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 07, 2026
Combined Synopsis/Solicitation8(a)
Closes in 13 daysTucson (TCA) Tactical Infrastructure Maintenance
Homeland Security, Department of
237990 · Other Heavy and Civil Engineering Cons… Arizona Posted Jun 06, 2026
SolicitationSmall Business
Closes in 13 daysSolicitation Notification For: Cedar Rapids Flood Risk Management Project, Reach 1, Cedar Lake South Railyard (Hoth)Floodwall
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Iowa Posted Jun 05, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 8 daysNRCS-WV Kanawha County EWP Streambank Stabilization Sharon Hollow and Ohley Hollow Road
Agriculture, Department of
237990 · Other Heavy and Civil Engineering Cons… West Virginia Posted Jun 05, 2026
Solicitation
Closes in 2 daysC--Playground and Flood Prevention - Havasupai Elemen
Interior, Department of the
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
Sources Sought
Closes in 8 daysCommander, Navy Installations Command (CNIC) Design-Bid-Build, RM-23-1146 Dry Dock 2 Caisson Overhaul at Portsmouth Naval Shipyard (PNSY) in Kittery, Maine
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Maine Posted Jun 05, 2026
Solicitation
Closes in 27 daysCORPUS CHRISTI SHIP CHANNEL PLACEMENT AREA INNER HARBOR IMPROVEMENTS
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
SolicitationWOSBSS
Closes Jul 20, 2026WWYK250096 - Repair Stormwater Spill Gate 11 Structure
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Oklahoma Posted Jun 05, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 22 daysCUSTER GALLATIN NATIONAL FOREST - Sweet Trunk Trail #274
Agriculture, Department of
237990 · Other Heavy and Civil Engineering Cons… Montana Posted Jun 05, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 20 daysID SAWTOOTH FISH HATCH CONCRETE RPR LWR
Interior, Department of the
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
SolicitationSmall Business
Closes in 3 daysWest Shore Lake Pontchartrain, Louisiana, Hurricane and Storm Damage Risk Reduction Project, WSLP-103A Levee, Floodwall and Gate, Sta. 819+87 B/L to Sta. 827+95 B/L, St. John the Baptist Parish, Louisiana ED 24-025
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Louisiana Posted Jun 05, 2026
SolicitationNONE
Closes in 23 daysMAINTENANCE DREDGING, HUDSON RIVER FEDERAL NAVIGATION PROJECT, REACH N04, TROY, NY
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… New York Posted Jun 05, 2026
PresolicitationSmall Business
Closes in 10 daysREBUILD BAHIA DE GUAYANILLA ENTRANCE RANGE REAR LIGHT AT UNITED STATES COAST GUARD AIDS TO NAVIGATION (ANT) PUERTO RICO.
Homeland Security, Department of
237990 · Other Heavy and Civil Engineering Cons… Puerto Rico Posted Jun 05, 2026
Special NoticeNONE
Closes in 2 daysUSBR Patillas Dam Seismic Retrofit Design Update and Industry Outreach
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Puerto Rico Posted Jun 05, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 9 daysNRCS-WV Ohio County EWP 5090-001 & 003 Streambank Stabilization Dixon and McGraw's Run
Agriculture, Department of
237990 · Other Heavy and Civil Engineering Cons… West Virginia Posted Jun 05, 2026
SolicitationWOSB
Closes in 17 daysY--FOMA REPLACE NATURE TRAIL BOARDWALK RS
Interior, Department of the
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
PresolicitationSmall Business
Closes in 11 daysZ--Spillway Gantry Crane Removal, Tiber Dam, Chester, Montana
Interior, Department of the
237990 · Other Heavy and Civil Engineering Cons… Montana Posted Jun 05, 2026
PresolicitationSmall Business
Closes in 14 daysFY26 MOTSU Berms Pre -Solicitation Notice
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
Solicitation
Closes in 8 daysZ1DA--550-24-109 Pond Area Improvement CON
Veterans Affairs, Department of
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 05, 2026
SolicitationSmall Business
Closes in 21 daysNSN, Q-47 DEMOLISH FISHING PIER
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Virginia Posted Jun 04, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 22 daysGAOA Sam Owen Campground Improvements, Idaho Panhandle National Forest
Agriculture, Department of
237990 · Other Heavy and Civil Engineering Cons… Idaho Posted Jun 04, 2026
Solicitation
Closes in 27 daysRudee Inlet Maintenance Dredging
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 04, 2026
Solicitation
Closes in 22 daysNew Haven Harbor Improvement Dredging, New Haven, CT
Dept of Defense
237990 · Other Heavy and Civil Engineering Cons… Posted Jun 04, 2026
Sources SoughtNONE
Closes tomorrowSOURCES SOUGHT NOTICE to identify firms capable of performing ATON Repair & Replace Work at Base Tongue Point/Columbia River, Astoria, OR
Homeland Security, Department of
237990 · Other Heavy and Civil Engineering Cons… Oregon Posted Jun 04, 2026
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.