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
OpenSand, Stone, Loam, and Other Materials Bid

The Town of Middlebury is soliciting bids for sand, stone, loam, and other materials for a multi-year contract.

Middlebury, CT, USA•Invitation for/to Bid (IFB/ITB)
State of Connecticut6/29/2026
OpenWater Demineralizer System

The US Navy is seeking one water demineralizer system for the USS Winston S Churchill.

Norfolk, VA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense6/29/2026
OpenTrommel Screener Procurement

The Regional District of Kitimat-Stikine is seeking a mobile Trommel Screener with a capacity of at least 50 tonnes per hour and one conveyor for delivery to the Forceman Ridge Waste Management Facility.

Maple Ridge, BC, Canada•Request for Quote/Qualifications (RFQ)
Government of Canada > British Columbia > Regional District of Kitimat-Stikine7/10/2026
OpenAdvanced Manufacturing Vacuum Furnace Post Processing Capability

The US Army Aviation and Missile Command is seeking solutions for an Advanced Manufacturing Vacuum Furnace Post Processing Capability to address critical readiness gaps at Corpus Christi Army Depot.

Corpus Christi, TX, USA•Request for Information (RFI)
United States of America > Department of the Army7/1/2026
OpenGeochronology Services for U.S. Geological Survey

The U.S. Geological Survey is seeking market research for businesses capable of providing geochronology services, including mineral separation and isotopic analysis.

3020 State University Drive, Sacramento, CA, USA•Sources Sought
United States of America > Department of the Interior > US Geological Survey6/26/2026
OpenStone and Aggregate Delivery to Established Locations

The West Virginia Department of Transportation and the West Virginia Adjutant General's Office are seeking a contractor to supply and deliver various types of stone, aggregate, cinders, and slag to established locations throughout West Virginia.

West Virginia, USA•Request for Quote/Qualifications (RFQ)
West Virginia > Department of Administration > Purchasing Division6/24/2026
OpenYard Trim Acceptance, Processing, and Marketing Services

Howard County is seeking a firm to provide yard trim acceptance, processing, and marketing services for materials delivered in various formats.

Howard County, MD, USA•Request for Proposal (RFP)
PlanetBids8/5/2026
OpenMSW Cell No. 6 Geosynthetics Material Supply

Decatur County Board of Commissioners is seeking bids for geosynthetic liner components for the construction of an approximately 15.8-acre MSW Cell 6 at their Solid Waste Facility.

Bainbridge, GA, USA•Invitation for/to Bid (IFB/ITB)
Decatur County > Board of Commissioners7/15/2026
OpenBiosolids Management Services

The Allegheny County Sanitary Authority is seeking a service provider for biosolids management services, including beneficial use and landfill disposal, for an average of 2,500 wet tons per month over a three-year term.

3300 Preble Avenue, Pittsburgh, PA, USA•Request for Proposal (RFP)Minority-Owned BusinessWoman-Owned Business
Allegheny County Sanitary Authority8/25/2026
OpenCitywide Recycling Services

The City of Richland, Washington is soliciting proposals for citywide recycling services, including collection and processing of recyclables from drop-off locations, curbside programs, and city-owned facilities.

Richland, WA, USA•Request for Proposal (RFP)
City of Richland > Washington7/9/2026
OpenOperation of Mobile Groundwater Treatment Systems for PFAS

The Delaware Division of Public Health is seeking professional services for the operation of mobile groundwater treatment systems for PFAS.

Delaware, USA•Request for Proposal (RFP)
Delaware > Department of Health and Social Services > Division of Public Health > Office of Drinking Water9/15/2026
OpenPolymer for Wastewater Treatment

The Central Florida Tourism Oversight District is seeking a supplier of polymer blends for wastewater treatment at their South Service Area facility.

2151 South Service Lane, Lake Buena Vista, FL, USA•Request for Proposal (RFP)
Central Florida Tourism Oversight District6/30/2026
OpenAlodized Aluminum Sheets

The State of Indiana is seeking bids for Alodized Aluminum Sheets with specific engineering specifications.

Plainfield, IN, USA•Request for Quote/Qualifications (RFQ)
Indiana > Department of Environmental Management > Office of Water Quality7/8/2026
OpenTensas Basin Levee District Limestone Supply

The Tensas Basin Levee District is seeking between 2,000 and 2,500 tons of 6/10 limestone for pickup near Monroe, Louisiana.

Monroe, LA, USA•Invitation for/to Bid (IFB/ITB)
North Lafourche Conservation, Levee and Drainage District7/14/2026
OpenLime Sludge Excavation, Hauling, and Disposal Services

The City of Cedar Rapids Water Division is seeking bids for lime sludge excavation, hauling, and disposal services at the Northwest Water Treatment Plant.

Cedar Rapids, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Cedar Rapids > Public Works Department6/23/2026
OpenORCAlloy-21 Atomized and Coated Powder

NASA/NSSC is seeking ORCAlloy-21 atomized and coated powder from Powder Alloy Corporation, the sole provider, for performance at NASA Marshall Space Flight Center.

Huntsville, AL, USA•Sole Source
United States of America > National Aeronautics and Space Administration > NASA Shared Services Center6/23/2026
OpenDelivered Aggregate for VDOT Ashland Residency

The Virginia Department of Transportation is seeking bids for the delivery and stockpiling of various types of aggregate on an as-needed basis.

Ashland, VA, USA•Invitation for/to Bid (IFB/ITB)
Virginia > Virginia Department of Transportation > Bristol District6/29/2026
OpenNew Mexico Water Service - PFAS Water Treatment Facility Design Services

New Mexico Water Service is seeking professional design services for a water treatment facility to address PFAS contamination using Granulated Activated Carbon (GAC) media.

Elephant Butte, NM, USA•Request for Proposal (RFP)
New Mexico Water Service-
OpenCarriage Trail Gravel Mix Delivery

The National Park Service is seeking gravel mix and other materials for trail surfacing work on the Blue Ridge Parkway, with a 100% small business set-aside.

Parkway Forest, NC, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > Department of the Interior > National Park Service7/8/2026
OpenSonoma County Battery and Lead Material Recycling Bid

Sonoma County is seeking bids for the collection and recycling of batteries and lead materials.

Sonoma County, CA, USA•Invitation for/to Bid (IFB/ITB)
Sonoma County7/21/2026
OpenSpark Plasma Sintering System (Model SPS2000)

The U.S. Army Corps of Engineers Engineer Research and Development Center is seeking a Spark Plasma Sintering System (Model SPS2000) for material synthesis and densification research.

3909 Halls Ferry Road, Vicksburg, MS, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > Department of Defense > Department of the Army > US Army Corps of Engineers > Engineer Research and Development Center6/23/2026
OpenSand and Gravel Extraction, Lease, Purchase, or Exchange Opportunity in Garfield County, Utah

The Utah School and Institutional Trust Lands Administration is accepting applications for the removal of ordinary sand and gravel, or for the lease, purchase, or exchange of land in Garfield County, Utah.

Garfield County, UT, USA•Other
Utah School and Institutional Trust Lands Administration7/9/2026
OpenCooperfield 678 PFAS Remediation Project

Thurston PUD is seeking bids for the Cooperfield 678 PFAS Remediation Project, with bids due July 8, 2026.

1230 Ruddell Road SE, Lacey, WA, USADisadvantaged BusinessSmall BusinessWoman-Owned Business
Washington > Washington State Department of Enterprise Services > Department of Corrections7/8/2026
OpenLiquid Copper Sulfate

The buyer is seeking liquid copper sulfate, a chemical raw material, with a 180-day duration.

United States•Invitation for/to Bid (IFB/ITB)
United States of America6/23/2026
OpenCrushed Stone for Adirondack Air Gunnery Range

The United States Air Force is requesting 2,000 tons of DOT grade, 3/4 minus crushed stone for delivery to the Adirondack Air Gunnery Range in Gouverneur, NY.

Gouverneur, NY, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America6/25/2026
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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