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.

StatusTitleBuyerDue Date
OpenMetal Supplies Master BPA

The U.S. Army Corps of Engineers is seeking to establish a Master Blanket Purchase Agreement for metal supplies to support ERDC facilities over five years, with a total capacity not to exceed $9,000,000.00, set aside 100% for small businesses.

United States•Request for Quote/Qualifications (RFQ)Small Business
United States of America > Department of the Army > U.S. Army Corps of Engineers > New York District7/17/2026
OpenAlodized Aluminum Sheets

The State of Indiana is seeking bids for Alodized Aluminum Sheets with specific engineering specifications.

Plainfield, IN, USA•Request for Quote/Qualifications (RFQ)
Indiana > Department of Environmental Management > Office of Water Quality7/8/2026
OpenPurchase of Aluminum, Stainless Steel, and Steel Metal Products

The U.S. Coast Guard is seeking various aluminum, stainless steel, and steel metal products, including flat bars, plates, tubes, and angles, as a firm-fixed-price purchase order.

1664 Weeksville Road, Elizabeth City, NC, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > Department of Homeland Security > United States Coast Guard > Surface Forces Logistics Center6/22/2026
OpenCold Formed Metal Building

The Los Angeles Department of Water and Power is seeking bids for a cold-formed metal building.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
Los Angeles County6/25/2026
Open4340 Alloy Steel Bar for Watervliet Arsenal

The Department of the Army is seeking 40 feet and 20 feet of 4340 alloy steel bar, square, for the Watervliet Arsenal.

Watervliet, NY, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense > United States Army6/24/2026
OpenPurchase of Gas Pipe and Materials for DOT Project 13895

The City of Lawrenceville is seeking bids for the purchase of gas pipe and materials for the Cedars Rd to Sugarloaf Pkwy DOT project.

435 West Pike Street, Lawrenceville, GA, USA•Invitation for/to Bid (IFB/ITB)
Lawrenceville > Purchasing Office7/23/2026
OpenWelding Equipment and Accessories

SUNY Niagara is seeking to purchase welding equipment and accessories.

3111 Saunders Settlement Road, Sanborn, NY, USA•Request for Proposal (RFP)
SUNY > Upstate University Hospital6/30/2026
OpenMuzzle Brake Forgings for 105mm M20 Cannon

The Watervliet Arsenal is seeking 47 muzzle brake forgings for the M20 cannon, with a due date of June 24, 2026.

Watervliet, NY, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense > Department of the Army > US Army Corps of Engineers6/24/2026
OpenA36 Plate and L Channel Steel

The United States of America is seeking quotes for A36 plate and A36 L channel steel.

United States•Request for Quote/Qualifications (RFQ)
United States of America6/27/2026
OpenWelding Machine, STU

The Defense Logistics Agency is seeking 7 welding machines, with an approved source of S4500101.

Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense > Defense Logistics Agency6/22/2026
OpenReinforcing Steel in Nathalie, VA

The State of Virginia is seeking reinforcing steel for Nathalie, VA.

Nathalie, VA, USA•Invitation for/to Bid (IFB/ITB)
Virginia6/22/2026
Open5000 40' Steel Beams

The Southeastern Pennsylvania Transportation Authority (SEPTA) is seeking 5000 40' steel beams.

Pennsylvania, USA•Invitation for/to Bid (IFB/ITB)
Southeastern Pennsylvania Transportation Authority6/22/2026
OpenArc Welding Machine

The Defense Logistics Agency is seeking 2 arc welding machines.

Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Defense Logistics Agency6/29/2026
OpenGun Drilling and Machining Services for BRR-6 Drum Shaft

The Puget Sound Naval Shipyard is seeking information on companies capable of providing gun drilling and machining services for metal bar stock.

Bremerton, WA, USA•Sources Sought
United States of America > Department of Defense > Department of the Navy6/22/2026
OpenIBN & TTM Frame Fabrication

The University of Washington is seeking proposals for the design, fabrication, testing, finishing, and delivery of 14 structural frames (12 IBN, 2 TTM) for shipboard and land-based operations.

Seattle, WA, USA•Request for Quote/Qualifications (RFQ)Minority-Owned BusinessWoman-Owned BusinessSmall BusinessDisadvantaged BusinessWoman-Owned Business
University of Washington-
OpenWye, True, Pipe Fittings

The U.S. Government is seeking WYE, TRUE, PIPE fittings with National Stock Number 4730015382045, with an estimated delivery within 50 days after order.

Columbus, OH, USA•Request for Quote/Qualifications (RFQ)
United States of America > Defense Logistics Agency7/2/2026
OpenHeat Treat Ovens

The United States Army is seeking heat treat ovens for the Yuma Proving Ground.

Yuma Proving Ground, AZ, USA•Request for Proposal (RFP)
United States of America6/23/2026
OpenHeat Shielding for ITS Car Bottom Furnace

Norfolk Naval Shipyard is seeking sources for manufacturing and installing heat shielding for their ITS car bottom furnace.

Portsmouth, VA, USA•Sources Sought
United States of America > Department of the Navy > Norfolk Naval Shipyard6/22/2026
OpenSewer Lateral Cleanouts - Cast Iron

The San Antonio Water System is soliciting quotes for cast iron sewer lateral cleanouts, with pricing to include delivery.

2800 Us Hwy 281 North, San Antonio, TX, USA•Request for Quote/Qualifications (RFQ)
San Antonio Water System > Purchasing Department6/23/2026
OpenSheet Metal (NSN 9535005424708)

The Defense Logistics Agency is seeking 10 units of SHEET, METAL (NSN 9535005424708) with delivery to DLA DISTRIBUTION WARNER ROBINS.

5307 Distribution, San Antonio, TX, USA•Request for Quote/Qualifications (RFQ)
United States of America > Defense Logistics Agency6/26/2026
OpenSheet Metal Procurement

The Defense Logistics Agency is seeking 175 units of SHEET, METAL, with delivery to DLA Distribution Warner Robins.

Warner Robins, GA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Defense Logistics Agency6/22/2026
OpenHorizontal Bandsaw for 19th Maintenance Squadron

The 19th Maintenance Squadron is seeking a horizontal bandsaw, or an equal product, to meet their maintenance needs.

Little Rock Air Force Base, AR, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > Department of the Air Force6/25/2026
OpenLee Street Substation Steel Structures

Greenville Electric Utility System is soliciting proposals for the design, fabrication, and furnishing of structural steel components for the Lee Street Substation Project.

Greenville, TX, USA•Request for Proposal (RFP)
Greenville Electric Utility Service7/15/2026
OpenGeneral and Precision Machining/Fabrication Services BPA

NASA Langley Research Center is seeking to establish a 5-year Blanket Purchase Agreement for general and precision machining and fabrication services.

Hampton, VA, USA•Request for Proposal (RFP)Small Business
United States of America > National Aeronautics and Space Administration7/6/2026
OpenLevel 1 Round Bar, 10-inch Diameter

The United States Navy is seeking Level 1 Round Bar, 10 inches in diameter, for the Portsmouth Naval Shipyard in Kittery, Maine.

45 Portsmouth Nsy 135 Road, Kittery, ME, USA•Request for Proposal (RFP)Small Business
United States of America > Department of the Navy7/21/2026
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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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