NAICS 327992 - Ground or Treated Mineral and Earth Manufacturing RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Ground or Treated Mineral and Earth Manufacturing (NAICS 327992) 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 Ground or Treated Mineral and Earth Manufacturing (NAICS 327992)

This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.

StatusTitleBuyerDue Date
OpenAdsorptive Recovery of Rare Earth Elements and Critical Minerals

The U.S. Department of Energy’s National Energy Technology Laboratory is seeking industry partners to commercialize an adsorptive process for recovering heavy rare earth elements and critical minerals from coal and related waste streams through licensing or cooperative research and development.

3610 Collins Ferry Road, Morgantown, WV, USA•Other
United States of America > ENERGY, DEPARTMENT OF > NATIONAL ENERGY TECHNOLOGY LABORATORY11/10/2026
OpenCritical Minerals and Materials Recovery Expression of Interest

The U.S. Department of Energy's Office of Environmental Management is seeking industry input on potential collaboration to recover, reprocess, and reuse surplus critical minerals and materials from DOE inventories, including metals and radiologically controlled materials at multiple federal sites.

United States•Sources Sought
United States of America > ENERGY, DEPARTMENT OF > EM-ENVIRONMENTAL MGMT CON BUS CTR11/2/2026
OpenAir Force Surface Land Leasing for Mineral Processing

The Department of the Air Force is seeking industry input on leasing underutilized surface land at Air Force installations for mineral processing facilities, including refining, smelting, separation, and rare earth element processing.

Mountain Home Air Force Base, Mountain Home AFB, ID, USA•Request for Information (RFI)
United States of America > DEPT OF DEFENSE > DEPT OF THE AIR FORCE > FA8903 772 ESS PK (AF INSTALLATION & MISSION SUPPORT CENTER)10/9/2026
ClosedBrand-Name Alumina and Zirconia Blasting Grit

The U.S. Army is seeking brand-name-only alumina and zirconia blasting grit for delivery to Tobyhanna Army Depot in Pennsylvania.

Tobyhanna, PA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QK ACC-APG CONT CT TYAD OFC (TOBYHANNA ARMY DEPOT)10/8/2026
OpenAdvanced Materials Research and Development

The National Science Foundation is seeking proposals for the development of new and improved advanced materials for commercial and industrial applications, including innovative material systems and fabrication, processing, or manufacturing challenges.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenAggregates and Abrasive Materials Supply

The City of Saint-Jérôme is seeking bids for the purchase of aggregates and abrasive materials for 2027.

Saint-Jérôme, QC, Canada•Request for Proposal (RFP)
Saint-Jerome10/23/2026
OpenMalawi Mineral Value Chain Analysis Study

The United Nations Development Programme is seeking a mineral economist or market analyst to conduct a 35-working-day Malawi Mineral Value Chain Analysis study.

Malawi•Request for Proposal (RFP)
United Nations > United Nations Development Programme10/19/2026
OpenScrap Metal Recycling Services

The Municipality of the County of Inverness is requesting written proposals from qualified vendors to purchase scrap metal for recycling.

Port Hood, NS, Canada•Request for Proposal (RFP)
Municipality of the County of Inverness10/15/2026
OpenOther Advanced Materials Technologies

The National Science Foundation is seeking proposals for research and development of other advanced materials technologies under its SBIR program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenSupplemental Aggregate Materials

The Louisiana Division of Administration is seeking sealed bids for supplemental aggregate materials for the Louisiana Department of Wildlife and Fisheries under RFx No. 3000026741.

Shreveport, LA, USA•Invitation for/to Bid (IFB/ITB)
Louisiana > Division of Administration > Procurement Section10/22/2026
OpenLaboratory Cold-Rolling Mill

Texas A&M University is seeking bids for one laboratory cold-rolling mill to be furnished and delivered to its Fort Worth campus.

Fort Worth, TX, USA•Invitation for/to Bid (IFB/ITB)
Texas A&M University10/13/2026
OpenAnthracite and Filtration Sand Supply and Delivery

The City of Longueuil is seeking bids for the supply and delivery of anthracite and filtration sand under a 12-month contract with one optional one-year renewal.

Quebec, Canada•Request for Proposal (RFP)
Longueuil10/29/2026
OpenStatewide Mineral Aggregate Supply Contract

The Arkansas Department of Transportation is seeking a statewide supply contract for mineral aggregate from October 1, 2026, through March 31, 2027, with electronic bidding only.

Arkansas, USA•Request for Proposal (RFP)
Arkansas > Department of Transportation-
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
OpenSupplemental Aggregate Materials

The Louisiana Division of Administration is seeking sealed bids for supplemental aggregate materials under RFx No. 3000026741 for the Louisiana Department of Wildlife and Fisheries.

New Orleans, LA, USA•Invitation for/to Bid (IFB/ITB)
Louisiana > Division of Administration > Procurement Section10/22/2026
OpenSupplemental Aggregate Materials

The State of Louisiana is seeking sealed bids for supplemental aggregate materials for the Louisiana Department of Wildlife and Fisheries under RFx No. 3000026741.

Monroe, LA, USA•Invitation for/to Bid (IFB/ITB)
Louisiana > Division of Administration > Procurement Section10/22/2026
OpenNorth Huron Landfill Wood Grinding

The Township of North Huron is requesting quotations for grinding approximately 3,000 cubic meters of stockpiled wood materials at the North Huron Landfill, including equipment, loading, screening, contaminant removal, and stockpiling.

Wingham, ON, Canada•Request for Quote/Qualifications (RFQ)
Township of North Huron10/16/2026
ClosedRocky Point Major Materials

The Grand River Dam Authority is requesting priced offers for Rocky Point major materials through its Bid Express procurement process.

Chouteau, OK, USA•Request for Quote/Qualifications (RFQ)
Grand River Dam Authority10/8/2026
OpenSand, Gravel, Aggregate Base, and Decomposed Granite Materials

Orange County OC Community Resources is seeking bids for an annual contract to supply and deliver sand, gravel, aggregate base, decomposed granite, and related materials to Orange County Parks.

Orange County, CA, USA•Invitation for/to Bid (IFB/ITB)Small BusinessService-Disabled Veteran-Owned Business
Orange County > OC Community Resources > Procurement Services11/2/2026
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
Open2026 Gravel Crushing Services

Teton County, Idaho, is seeking a contractor to mobilize equipment and crush, process, test, and stockpile specified gravel products at its Driggs gravel pit, with estimated quantities totaling 40,000 tons plus mobilization.

1088 Cemetery Road, Driggs, ID, USA•Invitation for/to Bid (IFB/ITB)
Teton County > Public Works10/28/2026
OpenAdvanced Engineering Materials

The National Science Foundation is seeking proposals for advanced engineering materials research and development through its Small Business Innovation Research program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenScreened Sand Supply and Delivery

Manitoba Transportation and Infrastructure is requesting quotes for the supply and delivery of screened sand under RFQ 08-125.

Manitoba, Canada•Request for Quote/Qualifications (RFQ)
Bids and Tenders10/15/2026
OpenCommingled Recyclable Material Processing

The City of Redlands is seeking a contractor to process residential and commercial commingled recyclables, recover saleable materials, and dispose of residual waste under a one-year contract with two one-year extensions.

1270 West Park Avenue, Redlands, CA, USA•Invitation for/to Bid (IFB/ITB)
City of Redlands > Facilities and Community Services > Solid Waste Division10/21/2026
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
Frequently Asked Questions
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What is NAICS code 327992 (Ground or Treated Mineral and Earth Manufacturing)?+

This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.

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