NAICS 333131 - Mining Machinery and Equipment Manufacturing RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Mining Machinery and Equipment Manufacturing (NAICS 333131) 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 Mining Machinery and Equipment Manufacturing (NAICS 333131)

This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines.

StatusTitleBuyerDue Date
OpenClip

The U.S. Navy is soliciting offers for an unspecified item identified as “CLIP” under NAICS 333998 miscellaneous general-purpose machinery manufacturing.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/21/2026
OpenMiscellaneous General-Purpose Machinery

The U.S. Navy is soliciting miscellaneous general-purpose machinery under solicitation N0038326QMB31.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/18/2026
OpenMiscellaneous Machinery Equipment

The U.S. Navy is soliciting offers for a miscellaneous machinery requirement under solicitation N0038326QMB28.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/18/2026
ClosedMiscellaneous General Purpose Machinery

The Department of the Navy is seeking offers for miscellaneous general purpose machinery, with delivery to Philadelphia, PA.

Philadelphia, PA, USARequest for Proposal (RFP)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/8/2026
OpenMiscellaneous General-Purpose Machinery Manufacturing

The U.S. Navy is soliciting offers for miscellaneous general-purpose machinery manufacturing under solicitation N0038326QMB32.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/18/2026
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 StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
ClosedMetal Muncher Purchase and Delivery

The U.S. Department of Agriculture's Agricultural Research Service is seeking one Metal Muncher with delivery to its National Bio and Agro-Defense Facility warehouse in Manhattan, Kansas.

1200 Kretschmer Drive, Manhattan, KS, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > AGRICULTURE, DEPARTMENT OF > AGRICULTURAL RESEARCH SERVICE > USDA ARS AFM APD9/8/2026
OpenMilling Machine

The Defense Logistics Agency is seeking one milling machine, NSN 3417-01-400-3438, for delivery to a U.S. Army unit, with electronic quotes due September 10, 2026.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [MAT & ME])9/10/2026
OpenUpright Drilling Machine

The Defense Logistics Agency is seeking one upright drilling machine, NSN 3413-01-315-4541, for delivery to DLA Distribution Jacksonville under a total small business set-aside.

Jacksonville, FL, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [MAT & ME])9/14/2026
OpenCat 938 Wheeled Loader

The U.S. Army is seeking a Cat 938 wheeled loader for delivery to Fort Hood, Texas, under a total small-business set-aside.

Fort Hood, TX, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC-FT DRUM (MICC FORT DRUM)9/9/2026
OpenBlanket Purchase Agreement for Machine Tools and Equipment

The Naval Air Warfare Center Weapons Division (NAWCWD) China Lake, CA is seeking small business vendors to establish Blanket Purchase Agreements (BPAs) for a wide range of machine tools and equipment, including CNC mills, lathes, waterjets, and 3D printers.

Naval Air Warfare Center China Lake, Kern County, CA, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVAL AIR WARFARE CENTER (NAVAIR NAWC WD)10/9/2026
OpenDistributed Manufacturing

The National Science Foundation is seeking proposals for distributed manufacturing research and development through its SBIR program.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
Open2026 Loader Equipment Proposal

Iowa County is seeking proposals for a 2026 Loader Equipment, with proposals due by a specified date.

Iowa County, WI, USARequest for Proposal (RFP)
Iowa County-
OpenSupply and Delivery of a Backhoe Loader

The City of Rouyn-Noranda is seeking bids for the supply and delivery of one backhoe loader under an estimated six-month contract, with submissions due September 16, 2026.

Temiscamingue, QC, CanadaRequest for Proposal (RFP)
Rouyn-Noranda > Service des acquisitions9/16/2026
ClosedGrundomat 55P and 75P Horizontal Boring Tools

The City of Saginaw is soliciting sealed bids for one Grundomat 55P and one Grundomat 75P horizontal boring tool, with no substitutions accepted.

1701 1701 S Jefferson Ave Backlot, Saginaw, MI, USAInvitation for/to Bid (IFB/ITB)
City of Saginaw > Purchasing Office9/8/2026
Open10-Gauge, 5-Foot Hydraulic Shearing Machine

The Defense Logistics Agency is requesting one 10-gauge, 5-foot hydraulic shearing machine for delivery to the USS Theodore Roosevelt within 20 days after order.

CVN-71 USS Theodore Roosevelt, Norfolk, VA, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [CLASS IV])9/14/2026
OpenHaas Mini Mill Vertical Machining Center

New Mexico State University is pursuing a sole-source pre-award procurement from Productivity Inc. for a Haas Mini Mill vertical machining center with listed options, valued at $61,552.83.

New Mexico State University, Las Cruces, NM, USASole Source
New Mexico State University10/4/2026
ClosedHand Trucks

The Defense Logistics Agency is requesting quotes from service-disabled veteran-owned small businesses for 512 hand trucks under two line items, with delivery within 180 days after order.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)Service-Disabled Veteran-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MANU & CON)9/8/2026
OpenBackhoe Loader and Equipment Acquisition

The Municipality of Nominingue is requesting proposals to acquire a backhoe loader and associated equipment, with technical specifications defined in Annex 6 of the technical specifications document.

Laurentides, QC, CanadaRequest for Proposal (RFP)
Quebec > Municipality of Saint-Urbain9/10/2026
OpenUsed Backhoe Loader

The Centre de services scolaire des Trois-Lacs is seeking one used backhoe loader, which must be in inventory and identified by serial number at submission.

Atelier-École Les Cèdres, Les Cèdres, QC, CanadaRequest for Proposal (RFP)
Centre de services scolaire des Trois-Lacs9/25/2026
OpenFitting Supplies

The U.S. Navy is seeking fitting-related supplies under solicitation N0038326QMB30, with delivery to its Philadelphia facility.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)9/18/2026
OpenServoturn 410 NC Conventional Lathe

The U.S. Coast Guard is seeking one Servoturn 410 NC conventional lathe, or an equal product meeting specified power, feed, chuck, dimensional, and durability requirements, delivered to Base Kodiak.

Kodiak, AK, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > BASE KODIAK(00045)9/10/2026
OpenTracked Excavator Supply and Delivery

The City of Granby is seeking the supply and delivery of a tracked excavator under an open competitive procurement.

Estrie, QC, CanadaRequest for Proposal (RFP)
Granby9/22/2026
OpenEquipment Rental Program - Season 1

The Indiana Department of Transportation is seeking equipment rental services for Season 1.

Indiana, USARequest for Proposal (RFP)
Indiana > Department of Transportation-
OpenSkid Steer Loader for Northside Arena

The Regional Recreation Corporation of Wood Buffalo is seeking a skid steer loader for Northside Arena under a competitive one-month procurement.

Fort McMurray, AB, CanadaRequest for Proposal (RFP)
Regional Municipality of Wood Buffalo9/18/2026
Frequently Asked Questions
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What is NAICS code 333131 (Mining Machinery and Equipment Manufacturing)?+

This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines.

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