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
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
OpenSize 40 Steel Blasting Grit

The U.S. Army is seeking 120,000 pounds of size 40 high-carbon cast steel blasting grit, delivered in three shipments to McAlester, Oklahoma.

Mcalester, OK, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF THE ARMY > W6QK ACC-RI (ACC RI)11/4/2026
OpenBulk Foundry Sand Supply

The U.S. Army Contracting Command–Rock Island is seeking BadgerCast FW80 bulk foundry sand for Rock Island Arsenal under a five-year BPA solicitation restricted to Badger Mining.

Rock Island Arsenal, IL, USA•Sole SourceSmall Business
United States of America > DEPT OF THE ARMY > W6QK ACC-RI (ACC RI)10/28/2026
OpenCordierite Powder Supply

The U.S. Environmental Protection Agency is conducting market research to identify vendors able to supply 2.5 kg of off-white cordierite powder with specified particle size and material properties.

2565 Plymouth Road, Ann Arbor, MI, USA•Request for Information (RFI)
United States of America > ENVIRONMENTAL PROTECTION AGENCY > LAB - ANN ARBOR, MI - CO OFFICE (USEPA NATL VEHICLE FUEL EMI)11/3/2026
OpenOrganic and Recycling Materials Processing

The City of Glendale is seeking quotes for as-needed processing and diversion of organic and recycling materials, including green and food waste and street sweepings, under a three-year agreement.

548 West Chevy Chase Drive, Glendale, CA, USA•Request for Quote/Qualifications (RFQ)
City of Glendale > Purchasing Division11/10/2026
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
OpenMixed-Metal Scrap Processing and Removal

The General Services Administration is seeking sealed bids to purchase, process, and remove approximately 100 tons of DEMIL A mixed-metal scrap at the U.S. Army Corps of Engineers’ Fort Mifflin Project Office, with recurring collection under a one-year base term and one option year.

6400 Hog Island Road, Philadelphia, PA, USA•Invitation for/to Bid (IFB/ITB)
United States of America > GENERAL SERVICES ADMINISTRATION > FEDERAL ACQUISITION SERVICE > GSA/FAS/GSS/QSCA, MULTIPLE AWARD SCHEDULE CONTRACTING DIVISION11/20/2026
OpenMineral Economics and Market Analysis

The United Nations Development Programme is seeking an individual consultant to analyze Malawi’s gold, gemstone, fertilizer, and cement value chains, including prices, costs, trade flows, market access, and value addition.

Lilongwe, Malawi•Request for Proposal (RFP)
United Nations > United Nations Development Programme > United Nations Development Programme Malawi11/6/2026
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
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)
Longueuil11/5/2026
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-
OpenAggregates and Sand Materials

The Minnesota Department of Administration is seeking multiple contracts to supply aggregates and sand for state agencies and cooperative purchasing members on an as-needed, pickup-only basis.

Minnesota, USA•Invitation for/to Bid (IFB/ITB)
Minnesota > Department of Administration > Office of State Procurement11/10/2026
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
OpenGravel Crushing and Stockpiling

Yankton County is seeking a contractor to crush and stockpile up to 60,000 tons of gravel, with testing and related site work required.

Yankton County, SD, USA•Invitation for/to Bid (IFB/ITB)
Yankton County10/28/2026
OpenBiosolids Beneficial Use Services

Pierce County is seeking a contractor to receive, manage, and beneficially use Class B biosolids, including processing, land application, permitting, monitoring, and reporting under a multi-year contract.

Pierce County, WA, USA•Request for Proposal (RFP)
Pierce County > Procurement and Contract Services10/30/2026
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)Service-Disabled Veteran-Owned BusinessSmall Business
Orange County > OC Community Resources > Procurement Services11/2/2026
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
OpenGranular Materials Supply, Delivery, and Disposal

The City of Rigaud is seeking the supply, delivery, and disposal of various granular materials for 2027-2029, with renewal options for 2030 and 2031.

106 Rue Saint-Viateur, Rigaud, QC, Canada•Request for Proposal (RFP)
Rigaud10/29/2026
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
OpenPottery Studio Supplies

The City of Orlando is seeking bids for the purchase and delivery of clay, pottery materials, ceramic firing supplies, and other pottery studio supplies under a one-year contract with four renewal periods.

Orlando, FL, USA•Invitation for/to Bid (IFB/ITB)Other
City of Orlando > Procurement and Contracts Division > Families Parks and Recreation11/5/2026
OpenWastewater Treatment Sludge Disposal

The City of Beauharnois is seeking bids to dispose of wastewater treatment plant sludge through beneficial reuse or landfill, under a contract with a fixed period and an optional renewal.

Beauharnois, QC, Canada•Invitation for/to Bid (IFB/ITB)
Beauharnois11/9/2026
OpenRoad Materials Supply

Palo Pinto County is seeking sealed bids for a one-year supply contract for road materials, including base, aggregate, asphalt mixes, and other materials, with quantities purchased as needed.

Palo Pinto County, TX, USA•Invitation for/to Bid (IFB/ITB)
Palo Pinto County11/5/2026
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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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