NAICS Demand Lane

    Stone Mining and Quarrying — Contract Opportunities

    364 total opportunities (364 active) tied to NAICS 21231 across federal, state, local, and forecast sources.
    NAICS 21231Federal + SLED364 total
    Total Opportunities
    364
    Across all indexed sources
    Active Estimate
    364
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 21231.

    AI Summary

    The Department of the Interior, US Fish and Wildlife Service, is soliciting for the delivery of crushed limestone to the La-Catahoula National Wildlife Refuge. This opportunity is set aside for small businesses and falls under FAR Part 13 - Simplified Acquisition Procedures.

    VA

    Posted Jun 24, 2026Due Jul 8, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140F1G26Q0056
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    AI Summary

    The Bureau of Reclamation is seeking qualified small businesses for the MRG Riprap Stockpile Supply requirement. This Sources Sought Notice aims to gather information for furnishing, hauling, and stockpiling riprap to support river maintenance and emergency protection. Interested parties should review the attached docu…

    UT

    Posted Jun 23, 2026Due Jul 8, 2026Sources SoughtNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: 140R4026Q0098
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    AI Summary

    The Department of Defense is soliciting quotes for 2,000 tons of DOT grade, 3/4 minus crushed stone at the Adirondack Air Gunnery Range. This is a total small business set-aside, and the award will be based on the lowest price. Quotes are due by 2:00 p.m. eastern on June 25, 2026.

    NY

    Posted Jun 17, 2026Due Jun 25, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: W50S8N26QA021
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    AI Summary

    The U.S. Army Corps of Engineers is seeking interested parties for the Rathbun Lake Project, focusing on shoreline stone protection using USACE-approved quarry materials. This Sources Sought notice aims to gather market research and does not constitute a procurement commitment. Interested firms should submit a Capabili…

    MO

    Posted Jun 15, 2026Due Jun 22, 2026Sources SoughtNAICS 212312Sol: W912DQ26SS31977
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    AI Summary

    The Bureau of Reclamation is seeking a contractor for riprap and bedding material for repairs to the Lower Yellowstone Bypass Canal. The estimated project cost is between $2,500,000 and $5,000,000, with a solicitation expected around June 29, 2026. This opportunity is a total set-aside for small businesses and will be …

    MT

    Posted Jun 11, 2026Due Jul 31, 2026PresolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140R6026Q0092
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    AI Summary

    The Department of Defense is seeking bids for crusher run aggregate material. This opportunity is classified under NAICS code 212319 and is not subject to Simplified Acquisition Procedures. Interested parties should respond to the combined synopsis/solicitation by the specified deadline.

    NY

    Posted Jun 10, 2026Due Jun 17, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3404
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    AI Summary

    The U.S. Army Corps of Engineers is conducting market research for stone supply at the Detroit Project Office. This Sources Sought notice aims to identify business capabilities for supplying stone ranging from 8 to 36 inches in diameter, totaling approximately 1.5 tons, with additional options. Responses are due by Jun…

    MI

    Posted Jun 2, 2026Due Jun 9, 2026Sources SoughtNAICS 212312Sol: PANGLR-26-P-0000031007
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    AI Summary

    Solicitation number 1240LT26Q0086 is a Request for Quotation (RFQ) for excavation, drainage, dewatering, and rock crushing services. Quotations are requested as part of a combined synopsis/solicitation. A site visit is scheduled for June 17th, 2026, at 10:00 AM MDT. Interested bidders should refer to the solicitation f…

    UT

    Posted May 28, 2026Due Jul 6, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0086
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    AI Summary

    The Department of Agriculture's Forest Service is seeking a contractor for gravel crushing and development at the Columbine Gravel Pit in Montrose County, Colorado. The project includes excavation, drainage, and stockpiling of aggregate materials. A site visit is scheduled for May 15, 2026. Interested bidders should re…

    UT

    Posted May 21, 2026Due Jun 10, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0064
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    AI Summary

    The U.S. Fish and Wildlife Service is seeking vendors to supply and deliver Florida DOT approved road base, rip rap, and #57 limerock to St. Marks NWR. Materials must originate within 80 miles of the site to prevent invasive species contamination. Vendors must provide a minimum of five trucks per day and submit their p…

    VA

    Posted May 20, 2026Due May 26, 2026Combined Synopsis/SolicitationNAICS 212319SBA Certified Economically Disadvantaged WOSB (EDWOSB) Program Set-Aside (FAR 19.15)Sol: 140F0S26Q0037
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    249
    sled
    83
    forecast
    32

    About NAICS 21231

    Stone Mining and Quarrying involves the extraction of dimension stone, crushed and broken stone, riprap, sand, gravel, and clay from the earth. This industry includes operations that quarry stone for use in construction, landscaping, and other applications.

    Read the full NAICS definition →

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