NAICS 331511 - Iron Foundries RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities
Browse open Iron Foundries (NAICS 331511) 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 Iron Foundries (NAICS 331511)
This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron 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 | 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 | Ductile Iron Water Main Supply and Delivery Louisville Water Company is seeking bids for the purchase and delivery of various sizes of ductile iron water mains. Louisville, KY, USA•Invitation for/to Bid (IFB/ITB)Minority-Owned Business | Louisville Water Company | 9/23/2026 |
| 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 | Non-Galvanized Steel Pipe Supply Hydro-Quebec is requesting proposals for the supply of non-galvanized steel pipes for the Monteregie/Pierre-Laporte region, with an estimated contract value of $1 million to $3 million including options. Quebec, Canada•Request for Proposal (RFP) | Hydro-Quebec | 9/18/2026 |
| Open | Metal Pipe Assemblies The Defense Logistics Agency is requesting 11 metal pipe assemblies under NSN 4710-01-528-5678, with potential one-year automated indefinite-delivery contracting and electronic quote submission. United States•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (MARITIME SUPPLY CHAIN) | 9/14/2026 |
| Open | Other Manufacturing Technologies The National Science Foundation is seeking proposals for research and development in other manufacturing technologies through its Small Business Innovation Research program. United States•Request for Proposal (RFP) | United States of America > NATIONAL SCIENCE FOUNDATION | 7/7/2027 |
| 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 | Metal Tube Assemblies The Defense Logistics Agency is requesting 1,082 metal tube assemblies under NSN 4710-014-746-198, with potential one-year automated indefinite-delivery contracting and electronic quote submission. United States•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (MARITIME SUPPLY CHAIN) | 9/14/2026 |
| Open | Industrial Pipe, Fittings, and Equipment Supply The City of Phoenix Public Works Department is seeking a supplier for as-needed industrial pipe, miscellaneous fittings, equipment, glue, and hand tools under a three-year contract with two one-year options. 200 West Washington Street, Phoenix, AZ, USA•Invitation for/to Bid (IFB/ITB) | Ridgefield > Public Works Department | 9/30/2026 |
| 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 | 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 | Manufacture of 8-Inch Pipe The Department of the Navy is seeking a small business to manufacture 2,244 inches of 8-inch Schedule 40 pipe to MIL-DTL-32386, with delivery to Kittery, Maine. Kittery, ME, USA•Request for Proposal (RFP)Small Business | United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG) | 9/24/2026 |
| Open | Bent Metallic Tubes The Defense Logistics Agency is seeking quotes for eight bent metallic tubes under NSN 4710-00-280-0227, with delivery to DLA Distribution Warner Robins. Robins Air Force Base, Robins AFB, GA, USA•Request for Quote/Qualifications (RFQ)Woman-Owned Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (FLUID HANDLING DIVISION) | 9/21/2026 |
| 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 | Metal Tube Assemblies The Defense Logistics Agency is requesting an electronic quote for 13 metal tube assemblies identified by NSN 4710-01-245-2233 for delivery to DLA Distribution. Defense Distribution Depot Susquehanna, Fairview, PA, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (FLUID HANDLING DIVISION) | 9/21/2026 |
| Open | Metal Tube Assemblies The Defense Logistics Agency is requesting two metal tube assemblies under a total small-business set-aside for delivery to DLA Distribution Depot Oklahoma. Oklahoma, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (FLUID HANDLING DIVISION) | 9/14/2026 |
| Open | Steel Pipe Supply The U.S. Army Corps of Engineers, Memphis District is requesting quotes for steel pipe under a total small business set-aside. 167 N Main, Memphis, TN, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W07V ENDIST MEMPHIS (KO CONTRACTING DIVISION) | 10/1/2026 |
| 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 | Nonmetallic Rods The Defense Logistics Agency is requesting a quote for 34 nonmetallic rods under NSN 9390-01-222-2128, with delivery to DLA Distribution Puget Sound within 160 days after order. 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 [MAT & ME]) | 9/21/2026 |
| 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 | 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 | Supply of Valves and Fittings Newfoundland and Labrador Hydro is seeking suppliers for a standing offer arrangement covering the supply of valves and fittings. Newfoundland and Labrador, Canada•Invitation for/to Bid (IFB/ITB) | Newfoundland and Labrador Hydro | 10/5/2026 |
| 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 |
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What is NAICS code 331511 (Iron Foundries)?+
This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments.
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