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

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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
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
OpenMulti-Axis CNC Machines

Lone Star College System is seeking proposals for a catalog discount arrangement supporting system-wide, as-needed purchases of multi-axis CNC machines.

Houston, TX, USARequest for Proposal (RFP)
Lone Star College System10/7/2026
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
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
OpenCBC Ammunition Project Equipment Purchase

Grand River Dam Authority is requesting quotations for equipment related to the CBC Ammunition Project through a sealed electronic bid process.

United StatesRequest for Quote/Qualifications (RFQ)
Grand River Dam Authority9/24/2026
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
OpenBobcat T86-2 Attachments

The U.S. Army is seeking Bobcat T86-2 attachments 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)9/15/2026
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
OpenSidewalk Snow-Clearing Tracked Vehicle Supply and Delivery

The City of Granby is seeking the supply and delivery of a new or used sidewalk snow-clearing tracked vehicle 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-
OpenRiver Project Office Horizontal Boring and Milling Machine

The U.S. Army Corps of Engineers is seeking a horizontal boring and milling machine for the River Project Office.

St. Louis, MO, USARequest for Proposal (RFP)
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W07V ENDIST ST LOUIS (KO CONTRACTING DIVISION)9/28/2026
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
OpenNRP Shredding Machines

The Defense Logistics Agency is requesting 10 NRP shredding machines under an economically disadvantaged woman-owned small business set-aside for delivery to DLA Distribution San Joaquin.

Defense Logistics Agency Sharp, Lathrop, CA, USARequest for Quote/Qualifications (RFQ)Woman-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT T & IFO EQ)9/21/2026
OpenPortable Construction Equipment with Related Accessories and Attachments

Sourcewell, a Minnesota local government service cooperative, is requesting proposals for portable construction equipment with related accessories and attachments for use by participating public agencies.

United StatesRequest for Proposal (RFP)Small BusinessMinority-Owned BusinessWoman-Owned BusinessVeteran-Owned Business
Minnesota > Sourcewell10/8/2026
OpenPortable Construction Equipment and Attachments

The Saskatchewan Association of Rural Municipalities, through its purchasing relationship with Sourcewell and Canoe Procurement Group of Canada, is requesting proposals for portable construction equipment with related accessories and attachments for a national Canadian contracting solution.

2301 Windsor Park Road, Regina, SK, CanadaRequest for Proposal (RFP)Small BusinessMinority-Owned BusinessWoman-Owned BusinessVeteran-Owned Business
Saskatchewan > Saskatchewan Association of Rural Municipalities10/8/2026
OpenVersaJET IntelliTAPER Machine

The U.S. Army is seeking a VersaJET IntelliTAPER machine for Hunter Army Airfield.

Hunter Army Airfield, Savannah, GA, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC-FT DRUM (MICC FORT DRUM)9/15/2026
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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