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 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-
OpenNon-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-Quebec10/14/2026
OpenWelding Class Raw Materials

Rockland BOCES and its component school districts are seeking sealed bids for raw materials for welding classes under Bid #2026-27-12.

65 Parrott Road, West Nyack, NY, USA•Invitation for/to Bid (IFB/ITB)
Rockland County Board of Cooperative Educational Services10/21/2026
Open42-Inch Ductile Iron Couplings and Pipe

The San Antonio Water System is requesting quotes for two 42-inch cast couplings and 40 feet of 42-inch ductile iron pipe with hub gaskets, including delivery.

2800 Us Hwy 281 North, San Antonio, TX, USA•Request for Quote/Qualifications (RFQ)
San Antonio Water System10/8/2026
ClosedSheet Metal

The Defense Logistics Agency is seeking 163 sheets of metal under NSN 9515-00-237-5413 through a one-year small-business RFQ, with delivery to various domestic and overseas DLA depots.

United States•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (NUCLEAR REACTOR PROGRAM)10/8/2026
OpenWelding Powder Supply

The Defense Logistics Agency is requesting 203 units of welding powder for delivery to Parts-Attach General Depot under a total small business set-aside.

GN Auto Parts, 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 [MAT & ME])10/16/2026
OpenWelding Powder Supply

The Defense Logistics Agency is requesting a quote for 92 units of welding powder, NSN 3439-01-407-8170, for delivery to DLA Distribution Cherry Point under a total small business set-aside.

Cherry Point, NC, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [CLASS IV])10/19/2026
OpenFabrication Lab Machinery and Equipment

Seminole State College of Florida is soliciting sealed electronic bids for JPW Industrial machinery and equipment for a fabrication lab, including band saws, grinders, shears, rolls, benders, drill presses, and notching equipment.

100 Weldon Boulevard, Sanford, FL, USA•Invitation for/to Bid (IFB/ITB)
South Florida State College10/16/2026
OpenMetal Plates, NSN 9515-00-204-4621

The Defense Logistics Agency is requesting a quote for four metal plates under NSN 9515-00-204-4621, delivered 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])10/13/2026
ClosedMetal Pipes

The State of Louisiana is seeking bids for metal pipes for the Louisiana Department of Wildlife and Fisheries.

Louisiana, USA•Invitation for/to Bid (IFB/ITB)
Louisiana > Office of State Procurement > Office of State Purchasing10/8/2026
OpenEngine Lathe

The Defense Logistics Agency is requesting one engine lathe, NSN 3416-01-231-1788, for delivery to DLA Distribution San Diego under a total small business set-aside.

Miramar Road & Distribution Avenue, San Diego, CA, 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])10/13/2026
Open90/10 Copper-Nickel Pipe Tees and Production Lot Testing

The Defense Logistics Agency is requesting quotations for 103 1-1/4-inch 90/10 copper-nickel straight pipe tees, including government production lot testing and delivery to Tracy, California.

Tracy, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/9/2026
Closed1045 Cold-Drawn Round Steel Bar

The Defense Logistics Agency is requesting a quotation for 24 feet of 1045 cold-drawn round steel bar, 8 inches in diameter and 10 to 12 feet long, for delivery to the DLA Distribution New Cumberland facility.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/8/2026
ClosedMetallic Tubing Supply

The Defense Logistics Agency is requesting an electronic quote for 4,137 feet of metallic tubing under a total small business set-aside for delivery to DLA Distribution.

956 Distribution Drive, Columbus, OH, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (NUCLEAR REACTOR PROGRAM)10/8/2026
OpenOther 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 FOUNDATION7/7/2027
OpenManhole Frames, Covers, and Extension Rings

Bucks County Water and Sewer Authority is seeking online sealed bids for estimated quantities of manhole frames and covers and adjustable manhole extension rings under a contract of up to three years.

1275 Almshouse Road, Doylestown, PA, USA•Invitation for/to Bid (IFB/ITB)
Bucks County Water and Sewer Authority10/13/2026
OpenMetal Tube Assemblies

The Defense Logistics Agency is requesting a quote for 11 metal tube assemblies under NSN 4710-01-566-4686, with delivery to DLA depots throughout the continental and overseas United States.

United States•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)10/20/2026
OpenStructural and Miscellaneous Steel Contracting

ONIT Construction Inc. is seeking qualified structural and miscellaneous steel contractors for a supportive-housing development at 922 Main Street East in Hamilton, Ontario.

922 Main Street East, Hamilton, ON, Canada•Invitation for/to Bid (IFB/ITB)
ONIT Construction Inc.10/23/2026
OpenFerrous and Nonferrous Metal Sales

The City of Laval is seeking bids for the sale of ferrous and nonferrous metals under a 60-month contract, with submissions now due October 15, 2026.

3131 BOUL. Saint-Martin O, Laval, QC, Canada•Request for Proposal (RFP)
Laval10/15/2026
OpenResistance Welding Machines

The Defense Logistics Agency is requesting two resistance welding machines, NSN 3432-01-650-9422, for delivery to DLA Distribution Red River.

Texarkana, TX, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [MAT & ME])10/13/2026
OpenDuctile Iron Pipe Price Agreement

The Springfield Water and Sewer Commission is seeking bids for a one-year price agreement to purchase ductile iron pipe, with two one-year options and annual spending not to exceed $500,000.

Agawam Town, MA, USA•Invitation for/to Bid (IFB/ITB)
Springfield Water and Sewer Commission > Procurement Department10/20/2026
OpenMechanical-Joint Water Pipe Fittings

The Barbados Water Authority is requesting quotations for ductile iron mechanical-joint tees, flanged tees, and bends in specified sizes and quantities.

Barbados•Request for Quote/Qualifications (RFQ)
Barbados Water Authority10/13/2026
OpenMetal Plates, NSN 9515-00-969-5124

The Defense Logistics Agency is requesting quotes for 129 metal plates under NSN 9515-00-969-5124, with delivery to DLA Distribution San Joaquin within 165 days after order.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [METALS])10/13/2026
OpenU-10Mo Alloy Fabrication

Battelle is requesting information from industry regarding the fabrication of U-10Mo uranium-molybdenum alloy for Pacific Northwest National Laboratory.

Richland, WA, USA•Request for Information (RFI)
United States of America > ENERGY, DEPARTMENT OF > Pacific Northwest National Laboratory12/22/2026
Closed416 Stainless Steel Round Bar

The Defense Logistics Agency is requesting a quotation for six feet of 0.750-inch-diameter, hot-rolled, pickled 416 stainless steel round bar, with required quality certification and delivery to New Cumberland, Pennsylvania.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/8/2026
Frequently Asked Questions
How do I find Iron Foundries RFPs?+

Bidscope continuously aggregates open RFPs, RFIs, RFQs, and Sources Sought from federal, state, and local government agencies. Browse the opportunities on this page, or create a free Bidscope account to get matched to relevant bids and receive alerts the moment new ones are posted.

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.

How many open opportunities are available for Iron Foundries?+

Bidscope tracks open Iron Foundries opportunities from federal, state, and local agencies, with the list updated daily as solicitations are posted and closed. Create a free Bidscope account to see how many match your business and get alerted to new ones.

Is Bidscope free to use?+

You can browse government opportunities on Bidscope for free. Create an account to unlock AI-powered matching, saved searches, and instant alerts tailored to your business.

See 1M+ More Opportunities