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UPDATED DAILY AT 7:00 AM EASTERN • ALL 50 US STATES

Government & Commercial Welding, Structural Fab, Millwright & HVAC Bids by State

Select your state below to view active federal (SAM.gov, USACE, VA, TVA), state DOT, county, airport, and water authority welding and mechanical solicitations—filtered strictly by NAICS 238120, 332312, 238990, 238220, 238290, and 811310.

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Browse Open Welding, Fab & Mechanical Solicitations by State

Alabama (AL) View Bids →
Alabama Buys / STAARS & ALDOT
TVA Hydro & Fossil Plant Boiler Tube & High-Pressure Pipe Welding (AL/TN) — $125–$165/hr T&M benchmark
Alaska (AK) View Bids →
AlaskaIRIS / State Online Public Notices & DOT&PF
Marine Dock Pile & Structural Steel Welding Maintenance (NAICS 238120)
Arizona (AZ) View Bids →
Arizona Procurement Portal (APP) & ADOT
Water Reclamation Facility Stainless Piping & Structural Gate Fab (NAICS 332312)
Arkansas (AR) View Bids →
ARBuy & ARDOT
McClellan-Kerr Arkansas River Navigation System Lock & Dam Structural Welding (NAICS 238120)
California (CA) View Bids →
Cal eProcure, Biddingo & Caltrans
County of Santa Clara Chiller Inspection, PM, Repairs & Replacement Services (ITB-PRC-FY27-0050, $4.5M–$5.6M, C-20/C-38/C-4, due Nov 16, 2026 6:00 PM ET)
Colorado (CO) View Bids →
Colorado VSS / BidNet Direct & CDOT
VA Medical Center Chiller & Steam Plant Welded Piping Retrofit (NAICS 238220)
Connecticut (CT) View Bids →
CTsource & CTDOT
Bridge Bearing & Structural Steel Diaphragm Repair Contract (NAICS 332312)
Delaware (DE) View Bids →
MyMarketplace Delaware & DelDOT
On-Call Facility Metal Fabrication & Boiler Plant Welding Services (NAICS 238990)
Florida (FL) View Bids →
MyFloridaMarketPlace (MFMP) & FDOT
Water Management District Pump Station Trash Rack & Structural Steel Fab (NAICS 332312)
Georgia (GA) View Bids →
Georgia Procurement Registry (GPR) & GDOT
On-Call Airport & Transit Structural Steel, Aluminum & Handrail Welding (NAICS 238990)
Hawaii (HI) View Bids →
HIePRO & HDOT
Harbor Pier Structural Steel & Corrosion Welding Repair IDIQ (NAICS 238120)
Idaho (ID) View Bids →
Idaho IPRO / Luma & ITD
Hydroelectric Spillway Gate & Penstock Structural Welding (NAICS 238120)
Illinois (IL) View Bids →
BidBuy Illinois & IDOT
Lock & Dam Tainter Gate & Miter Gate Structural Welding Repair (NAICS 238120)
Indiana (IN) View Bids →
Indiana IDOA Procurement & INDOT
INDOT District Bridge Diaphragm, Railing & Structural Steel On-Call Welding (NAICS 238120)
Iowa (IA) View Bids →
Iowa IMPACS & Iowa DOT
County Secondary Roads Bridge Pile & Structural Welding RFQ (NAICS 238120)
Kansas (KS) View Bids →
Kansas Procurement & Contracts & KDOT
VA Medical Center Steam Plant & Heating Pipe Welded Repairs (NAICS 238220)
Kentucky (KY) View Bids →
Kentucky eProcurement & KYTC
USACE Lock & Dam Tainter Gate Structural Steel Welding & Fab (KY/TN) — AWS D1.1 Submittal Required
Louisiana (LA) View Bids →
LaPAC & DOTD
Floodgate, Pump Station & Marine Barge Structural Welding IDIQ (NAICS 238120)
Maine (ME) View Bids →
Maine Division of Procurement Services & MaineDOT
Ferry Terminal & Bridge Structural Steel Fabrication & Repair (NAICS 332312)
Maryland (MD) View Bids →
eMaryland Marketplace Advantage (eMMA), Charles County & MDOT
BWI Airport $200K On-Call Commercial Welding IFB (BWI2703M / BPM059440, due Nov 16) + Charles County On-Call Utilities Infrastructure Maintenance incl. Welding & Fab (ITB 27-008, up to $500K, due Nov 18, 2026 11:00 AM ET)
Massachusetts (MA) View Bids →
Massport Bid Express (massport.com), COMMBUYS & MassDOT
Massport Authority-Wide Term Welding & Metal Fabrication (MPA Contract AP2702, ~$3,000,000 over 2 yrs, Boston/Bedford/Worcester — Due Nov 18, 2026 11:00 AM ET)
Michigan (MI) View Bids →
SIGMA VSS & MDOT
Great Lakes Lock & Dam Structural Steel & Millwright Maintenance (NAICS 238290)
Minnesota (MN) View Bids →
Minnesota SWIFT, SAM.gov VISN 23 & MnDOT
Dakota County $500K–$2M 2-Year On-Call Welding Services RFQ (closes Oct 30, 2026) + VA NCO 23 Heating & Plumbing Repair RFQ 36C26327Q0060 (NAICS 238220, SDVOSB, due Nov 10, 2026 6:00 PM ET)
Mississippi (MS) View Bids →
MAGIC Portal & MDOT
River Flood Control Structure & Gate Fabrication/Welding (NAICS 332312)
Missouri (MO) View Bids →
MissouriBUYS & MoDOT
VA Medical Center Boiler & High-Pressure Steam Pipe Welding (NAICS 238220)
Montana (MT) View Bids →
Montana eMACS & MDT
Dam Spillway Gate & Bridge Girder Structural Welding (NAICS 238120)
Nebraska (NE) View Bids →
Nebraska State Purchasing & NDOT
Public Power District Boiler & Structural Steel Maintenance (NAICS 238290)
Nevada (NV) View Bids →
NevadaEPro & NDOT
Water Authority Pipeline & Pump Station Welded Steel Repairs (NAICS 238220)
New Hampshire (NH) View Bids →
NH Division of Procurement & NHDOT
Turnpike & Bridge Structural Steel Diaphragm & Railing Fab (NAICS 332312)
New Jersey (NJ) View Bids →
NJSTART & NJDOT / NJ Transit
Transit & Rail Facility On-Call Structural Steel & Stainless Welding (NAICS 238990)
New Mexico (NM) View Bids →
NM State Purchasing & NMDOT
Facility Mechanical Piping, Chiller & Custom Metal Fabrication RFQ (NAICS 238220)
New York (NY) View Bids →
Empire State Purchasing Group (BidNet Direct), Westchester RFPs & NYS Contract Reporter
Westchester County HVAC Controls Maintenance at Westchester Community College (Contract WCC-27-756, pre-bid Nov 4, due Nov 18, 2026 11:00 AM ET) + NYS Canal/Thruway Structural Welding
North Carolina (NC) View Bids →
NC eVP (Electronic Vendor Portal) & NCDOT
VA Medical Center Chiller & Steam Plant Welded Piping Retrofit (NC/VA — NAICS 238220)
North Dakota (ND) View Bids →
ND State Procurement Office & NDDOT
Heating Plant Boiler Tube & Structural Steel Maintenance (NAICS 238220)
Ohio (OH) View Bids →
OhioBuys & ODOT
ODOT Bridge Diaphragm, Bearing & Structural Steel Fabrication & Field Welding (NAICS 332312 / 238120)
Oklahoma (OK) View Bids →
Oklahoma OMES / ePro & ODOT
USACE Tulsa District Dam Gate & Monorail Structural Welding Repair (NAICS 238120)
Oregon (OR) View Bids →
SAM.gov VISN 20, OregonBuys & ODOT
VA SORCC White City Bi-Annual Boiler Safety Device Testing & Tuning (Solicitation 36C26026Q0977, due Nov 13, 2026 4:00 PM ET) + Columbia River Dam Structural Steel Fab
Pennsylvania (PA) View Bids →
PA eMarketplace / COSTARS & PennDOT
PennDOT & USACE Lock/Bridge Structural Steel & Miscellaneous Metals Fab (NAICS 332312)
Rhode Island (RI) View Bids →
Ocean State Procures (OSP) & RIDOT
Marine Pier & Bridge Structural Welding T&M Services (NAICS 238990)
South Carolina (SC) View Bids →
South Carolina Business Opportunities (SCBO) & SCDOT
Port & Industrial Facility On-Call Structural & Pipe Welding (NAICS 238120)
South Dakota (SD) View Bids →
SD ESM / Central Purchasing & SDDOT
Hydroelectric Powerhouse Millwright & Welding Maintenance (NAICS 238290)
Tennessee (TN) View Bids →
TN Edison Procurement Portal & TDOT
TVA Boiler Tube & High-Pressure Pipe Fab + USACE Lock & Dam Tainter Gate Structural Welding (TN/KY)
Texas (TX) View Bids →
SAM.gov VISN 17, Texas SmartBuy / ESBD & TxDOT
Dallas VA Medical Center (VISN 17) Steam Trap Monitoring, Replacement & Repair Solicitation (36C25727Q0033, NAICS 238220, SDVOSB, due Nov 4, 2026 11:00 AM ET)
Utah (UT) View Bids →
Utah Division of Purchasing (U3P) & UDOT
Central Utility Plant High-Pressure Steam & Structural Steel Welding (NAICS 238220)
Vermont (VT) View Bids →
Vermont Business Registry & VTrans
Bridge Railing, Culvert & Structural Steel Fabrication RFQ (NAICS 332312)
Virginia (VA) View Bids →
Virginia eVA Procurement Portal, Louisa County & City of Richmond
Louisa County On-Call HVAC & Plumbing RFP GS-27-03 (Addendum 1, due Nov 4, 2026 3:30 PM ET) + City of Richmond Industrial Boiler Maintenance IFB 270004283 (due Nov 4, 2026 2:00 PM ET)
Washington (WA) View Bids →
Washington WEBS & WSDOT
Ferry Terminal & Hydroelectric Dam Structural Welding & Millwright RFQ (NAICS 238120)
West Virginia (WV) View Bids →
WV OASIS Purchasing & WVDOT
Ohio & Kanawha River Lock & Dam Structural Welding Maintenance (NAICS 238120)
Wisconsin (WI) View Bids →
SAM.gov Great Lakes Acquisition Center (NCO 12), Wisconsin eSupplier & WisDOT
VA Milwaukee Zablocki VAMC Replace Boilers 4 & 5 (Solicitation 36C25227B0001, NAICS 238220, $2M–$5M open solicitation due Nov 18, 2026 12:00 PM ET; Oct 14 site-visit sign-in required)
Wyoming (WY) View Bids →
Wyoming Public Purchase & WYDOT
Snowplow Blade, Bridge & Facility Structural Steel Welding RFQ (NAICS 332312)