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-
OpenStructural Shapes

The Defense Logistics Agency is requesting a quote for structural shapes designated as a critical safety item, with offers due November 2, 2026.

Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION AT PHILADELPHIA, PA (DLR PROCUREMENT OPERATIONS [AP])11/2/2026
ClosedMetal Pipe Assemblies

The Defense Logistics Agency is requesting quotes for 13 metal pipe assemblies for delivery to the DLA Distribution New Cumberland Facility within 95 days after order.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION (ASC SUPPLIER OPER OEM DIVISION)10/27/2026
OpenMetallic Tubing Supply

The Defense Logistics Agency is requesting quotes for 222 feet of metallic tubing, NSN 4710-00-342-9520, for delivery to its distribution facility in Jacksonville, Florida.

Jacksonville, FL, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY11/2/2026
OpenSteel Mechanical Tubing

The U.S. Army is seeking steel mechanical tubing under a total small business set-aside.

Rock Island, IL, USA•Request for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC-FT DRUM (MICC FORT DRUM)10/27/2026
OpenMetal Pipe Assemblies

The Defense Logistics Agency is requesting a quote for 10 metal pipe assemblies for delivery to DLA Distribution.

Columbus, OH, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (FLUID HANDLING DIVISION)11/5/2026
OpenHigh-Purity Iron Feedstock

Natural Resources Canada is seeking pure iron feedstock to support vacuum induction melting activities in Canada.

Canada•Request for Proposal (RFP)
Government of Canada > Department of Public Works and Government Services > Department of Natural Resources11/3/2026
OpenSpecialized Vessel and Range Component Fabrication

The Texas A&M University System is seeking bids to fabricate specialized vessels, piping, test assemblies, and related components for the BAM Range Phase II expansion at the Texas A&M RELLIS Campus.

Tejas, TX, USA•Invitation for/to Bid (IFB/ITB)
Texas A&M University System > Bush Combat Development Complex11/3/2026
OpenIndustrial Work Horses

The U.S. Navy is seeking 18 certified, 150,000-pound-capacity industrial work horses, with shipping included, for delivery to the Naval Foundry and Propeller Center in Philadelphia.

Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NSWC PHILADELPHIA DIV (NAVSEA WARFARE CENTER)11/4/2026
OpenValve Seats

The Defense Logistics Agency is requesting quotes for four valve seats, NSN 4820-01-146-4137, with delivery to a Navy depot in Washington.

Bremerton, WA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/30/2026
OpenSteel Pipe Nipples

The Defense Logistics Agency is requesting a quotation for 432 steel pipe nipples, NSN 4730-01-023-8634, with delivery required within 119 days after award.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/30/2026
ClosedRAM Bearings

The Defense Logistics Agency is requesting quotes for 17 RAM bearings, with U.S., outlying-area, or Canadian manufacturing and component-sourcing restrictions.

Tracy, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/27/2026
OpenProfile Bending Machine

Public Services and Procurement Canada is seeking a profile bending machine for the Department of National Defence, with delivery to Nova Scotia.

Nova Scotia, Canada•Request for Proposal (RFP)
United States of America11/3/2026
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
OpenMetal Plate Supply

The Defense Logistics Agency is requesting quotes for four metal plates, with delivery to DLA Distribution within 145 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)11/2/2026
OpenSTR Flanged-End Fitting

The U.S. Navy is soliciting quotations for a STR flanged-end fitting, part number EB3461/4-40TY-AIII (2.000 NPS), manufactured to Electric Boat Corporation requirements.

Mechanicsburg, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)11/16/2026
OpenMetallic Tubes and Fittings

The Defense Logistics Agency is requesting quotes for five metallic tube-and-fitting items, with delivery to its distribution center in Tracy, California.

Tracy, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/30/2026
OpenVarious Metals and Related Hardware

Orange County OC Public Works is seeking a local warehouse parts distributor to provide and deliver various metal products, welding supplies, and related hardware on an as-needed basis.

Orange County, CA, USA•Invitation for/to Bid (IFB/ITB)Service-Disabled Veteran-Owned BusinessSmall Business
Orange County > OC Public Works11/4/2026
OpenSteel Metal Bars

The Defense Logistics Agency is requesting 29 steel metal bars, with specified dimensions, material certification, and delivery to a DLA distribution facility in Jacksonville, Florida.

Jacksonville, FL, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/29/2026
OpenXM-13 Steel Bar Supply

The Defense Logistics Agency is requesting 21 feet of 1.875-inch-diameter XM-13 steel bar, with required material certification and delivery to its New Cumberland facility.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY11/2/2026
OpenWelding and Metal Trade Supplies

Wayne-Finger Lakes BOCES is seeking vendors to supply welding and metal trade products, including consumables, equipment, replacement parts, abrasives, metals, PPE, and shop supplies, under contracts with renewal options.

New York, USA•Invitation for/to Bid (IFB/ITB)
Wayne-Finger Lakes BOCES11/19/2026
OpenSteel Metallic Tubing Supply

The Defense Logistics Agency is requesting quotations for 80 feet of steel metallic tubing, with delivery required within 20 days after award.

Kayseri, Turkey•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY11/2/2026
OpenNeptune Cask Interface Assembly Fabrication

Oak Ridge National Laboratory, managed by UT-Battelle for the Department of Energy, is seeking fabrication, assembly, factory acceptance testing, and delivery of a proof-of-concept Neptune Cask Interface Assembly.

1 Bethel Valley Road, 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)11/12/2026
OpenHot-Rolled Carbon Steel Bar Supply

The Defense Logistics Agency is requesting 1,774 feet of hot-rolled carbon steel bar in specified dimensions, with metal certification and delivery to two distribution locations.

United States•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/29/2026
OpenTube Supplies

The U.S. Navy’s NAVSUP Weapon Systems Support is seeking quotes for tube supplies under a total small business set-aside, with offers due November 19, 2026.

5450 Carlisle Pike, Mechanicsburg, PA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)11/19/2026
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