NAICS 331512 - Steel Investment Foundries RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities
Browse open Steel Investment Foundries (NAICS 331512) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.
About Steel Investment Foundries (NAICS 331512)
This U.S. industry comprises establishments primarily engaged in manufacturing steel investment castings. Investment molds are formed by covering a wax shape with a refractory slurry. After the refractory slurry hardens, the wax is melted, leaving a seamless mold. Investment molds provide highly detailed, consistent castings. Establishments in this industry purchase steel made in other establishments.
| Status | Title | Buyer | Due Date |
|---|---|---|---|
| Open | Metal Shop Supplies for Southern Columbia Area Southern Columbia Area is seeking bids for metal shop supplies including layout fluid, abrasives, drill bits, welding consumables, foundry materials, and various metal stock for the 2019-2020 school year. Columbia County, PA, USA•Invitation for/to Bid (IFB/ITB) | Southern Columbia Area School District | - |
| Open | Metal Fabrication and Welding Services Jefferson County is seeking a contractor to provide on-site and off-site welding and metal fabrication services, including MIG, TIG, and arc welding, bending, forming, rolling, polishing, and custom metal cutting for county departments. 195 Arsenal Street, Watertown, NY, USA•Invitation for/to Bid (IFB/ITB) | Jefferson County > Purchasing Department | 9/23/2026 |
| Open | Cut Steel and Various Metals Price Agreement Dallas College is seeking suppliers to provide cut steel and various metal products on an as-needed basis for instructional programs and minor building repairs across all Dallas College locations under a five-year price agreement. Dallas County, TX, USA•Invitation for/to Bid (IFB/ITB) | Dallas College | 9/16/2026 |
| Open | Welding Department Metal Supplies The Southern Alberta Institute of Technology is seeking vendors to supply various shapes and sizes of mild steel, aluminum, and stainless steel for its Welding Department under a 35-month contract. Southern Alberta Institute of Technology (SAIT), Calgary, AB, Canada•Request for Proposal (RFP) | University of Alberta | 9/23/2026 |
| Open | Sheet Metal Supply The Defense Logistics Agency is seeking quotes from small businesses for 9 sheets of metal under NSN 9535-002-777-429, delivered to DLA Distribution Warner Robins within 167 days after order. Warner Robins, GA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MRO SVC I) | 9/14/2026 |
| Open | Ferrous and Nonferrous Metal Sales The City of Laval is seeking bids for the sale of ferrous and nonferrous metals under a 60-month contract. 3131 BOUL. Saint-Martin O, Laval, QC, Canada•Request for Proposal (RFP) | Laval | 10/8/2026 |
| Open | Hot-Rolled Steel Flat Bar Clinton Community College is seeking sealed bids for 1,440 hot-rolled steel flat bars in three specified sizes, including delivery and unloading to its manufacturing institute. 53 Clinton Point Drive, Plattsburgh, NY, USA•Request for Proposal (RFP)Woman-Owned Business | Clinton Community College | 9/25/2026 |
| Open | Sheet Metal Supply The Defense Logistics Agency is requesting a quote for 283 sheets of metal under NSN 9535-00-232-6878, delivered to DLA Distribution Puget Sound. McChord AFB, WA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [METALS]) | 9/14/2026 |
| Open | UNICOR Steel Materials Supply Federal Prison Industries, operating as UNICOR, is seeking proposals for multiple lots of angle, bar, coil, beam, plate, round, sheet, spring, and tube steel delivered to facilities in El Reno, Oklahoma, and Milan, Michigan. 4205 Highway 66 West, El Reno, OK, USA•Request for Proposal (RFP) | United States of America > JUSTICE, DEPARTMENT OF > FEDERAL PRISON INDUSTRIES, INC | 9/22/2026 |
| Open | Complete Steel Bridge Supply Hydro-Quebec is requesting proposals for the supply of a complete steel bridge in the Mauricie region, with an indicative total value including options of CAD 10 million to CAD 20 million and an estimated 10-month contract period. Mauricie, QC, Canada•Request for Proposal (RFP) | Hydro-Quebec | 9/28/2026 |
| Open | Lock and Dam 21 Bolted Tainter Gate Fabrication The U.S. Army Corps of Engineers is seeking fabrication and delivery of new bolted Tainter gates for Mississippi River Basin Lock and Dam 21 in Quincy, Illinois. Quincy, IL, USA•Request for Proposal (RFP) | United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W07V ENDIST ROCK ISLAND (KO CONTRACTING DIVISION) | 9/17/2026 |
| Open | Metal Fabrication Services and Materials Tennessee Technological University is seeking a contractor for metal fabrication services, raw metal products, and skilled and unskilled labor under a five-year contract. Tennessee Technological University, Cookeville, TN, USA•Request for Quote/Qualifications (RFQ) | Tennessee Technological University > Purchasing and Contracts > Facilities | 9/29/2026 |
| Open | Structural Steel for Energy Recovery Complex Partition The City of Quebec is seeking structural steel, required bolts and anchors, site delivery, and sealed fabrication drawings for a partition structure at the Energy Recovery Complex. Quebec, QC, Canada•Request for Proposal (RFP) | Quebec City | 9/17/2026 |
| Open | Southmoore High School Athletic Plaza Metal Work OMNI Construction, LLC is seeking bids for metal work for the 2026 Athletic Plaza at Southmoore High School in Moore, Oklahoma. 2901 South Santa Fe Avenue, Moore, OK, USA•Request for Proposal (RFP) | OMNI Construction, LLC | 9/30/2026 |
| Open | Custom ARMCO Pure-Iron Parts Oak Ridge National Laboratory is seeking custom-machined ARMCO pure-iron parts with electropolishing, heat treatment, nickel plating, and powder coating for its Neutron Technologies Division. Oak Ridge, TN, USA•Request for Proposal (RFP) | United States of America > ENERGY, DEPARTMENT OF > ORNL UT-BATTELLE LLC-DOE CONTRACTOR (Oak Ridge National Laboratory) | 9/21/2026 |
| Open | Metal Tube Assemblies The U.S. Navy is soliciting offers for metal tube assemblies under solicitation N0038326QMB25. Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA) | 9/18/2026 |
| Open | DC Blocks The U.S. Department of Energy, through Fermilab, is seeking proposals for DC blocks manufactured by a machine shop in Batavia, Illinois. Fermilab, Batavia, IL, USA•Request for Proposal (RFP) | United States of America > ENERGY, DEPARTMENT OF > FERMILAB - DOE CONTRACTOR | 9/25/2026 |
| Open | Metal Plates The Defense Logistics Agency is requesting a quote for two metal plates under NSN 9535-00-508-8345, with electronic submission required. Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)Woman-Owned Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MRO SVC I) | 9/14/2026 |
| Open | Transmission Tubular Steel Structures The City of Norwich, Connecticut is seeking a contractor to fabricate and deliver transmission tubular steel structures for the L-617 project, with the RFP package released only after a signed NDA. Norwich, CT, USA•Request for Proposal (RFP) | City of Norwich | 9/17/2026 |
| Open | Sheet Metal Supply The Defense Logistics Agency is requesting quotes for 550 sheets of metal under NSN 9535-00-232-6880, delivered to DLA Distribution within 43 days after award. Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MRO SVC I) | 9/21/2026 |
| Open | Metal Plates The Defense Logistics Agency is requesting quotes for 145 metal plates across three line items for delivery to DLA Distribution. Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [METALS]) | 9/21/2026 |
| Open | Operations Division Machining Services and Materials BPA The U.S. Army Corps of Engineers, New Orleans District, is seeking a small business to provide machining, repair, fabrication, transportation, and related materials under a five-year blanket purchase agreement. 7400 Leake Avenue, New Orleans, LA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W07V ENDIST NEW ORLEANS (KO CONTRACTING DIVISION) | 9/17/2026 |
| Open | Aluminum for License Plate Manufacturing Virginia Correctional Enterprises is seeking competitive sealed bids for aluminum used to manufacture vehicle and motorcycle license plates under a small-business set-aside. 3600 Woods Way, State Farm, VA, USA•Invitation for/to Bid (IFB/ITB)Small Business | Commonwealth of Kentucky > Department of Corrections | 9/16/2026 |
| Open | Various Steel Parts for Solid Waste Facilities The City of Tampa is seeking bids for assorted steel plates, sheets, bars, pipes, tubing, channels, and related metal parts for container and waste-to-energy facility repairs, with delivery to two Tampa facilities. Tampa, FL, USA•Invitation for/to Bid (IFB/ITB)Small Business | City of Tampa > Solid Waste & Environmental Program Management | 10/2/2026 |
| Open | XZ-85 Steel Sheet Pilings St. Charles Parish is seeking sealed electronic bids for XZ-85 steel sheet pilings or an approved equal. St. Charles Parish, LA, USA•Invitation for/to Bid (IFB/ITB) | St. Charles Parish | 9/29/2026 |
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What is NAICS code 331512 (Steel Investment Foundries)?+
This U.S. industry comprises establishments primarily engaged in manufacturing steel investment castings. Investment molds are formed by covering a wax shape with a refractory slurry. After the refractory slurry hardens, the wax is melted, leaving a seamless mold. Investment molds provide highly detailed, consistent castings.…
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