NAICS Demand Lane

    Stone Mining and Quarrying — Contract Opportunities

    324 total opportunities (324 active) tied to NAICS 21231 across federal, state, local, and forecast sources.
    NAICS 21231Federal + SLED324 total
    Total Opportunities
    324
    Across all indexed sources
    Active Estimate
    324
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 21231.

    AI Summary

    This opportunity is a combined synopsis/solicitation for a Multiple Award BPA for various types of aggregate materials at Ottawa NWR in Oak Harbor, Ohio. Vendors must provide a price schedule for the specified materials and delivery details. Interested parties should email their proposals to the designated contact.

    VA

    Posted Apr 22, 2026Due Apr 30, 2026Combined Synopsis/SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140F0S26Q0029
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    AI Summary

    The Bureau of Land Management is seeking bids for the supply of chip aggregate for the Roseburg District in Oregon. This opportunity is categorized as a product and is issued as a combined synopsis/solicitation. Interested parties should review the details and submit their proposals accordingly.

    OR

    Posted Apr 21, 2026Due May 4, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: 140L4326Q0054
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    AI Summary

    The U.S. Fish and Wildlife Service is seeking bids for a Bulk Gravel Blanket Purchase Agreement (BPA) at Montezuma National Wildlife Refuge. This opportunity is classified under NAICS code 212312 and is not subject to Simplified Acquisition Procedures. Interested parties should submit proposals by the specified deadlin…

    VA

    Posted Apr 17, 2026Due Apr 27, 2026Combined Synopsis/SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140FS326Q0053
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    AI Summary

    The opportunity involves the procurement of rock materials, specifically rip rap and aggregate, for the UT Jones Hole National Fish Hatchery. Interested bidders should prepare to submit proposals in response to this solicitation by the specified deadline.

    VA

    Posted Apr 14, 2026Due Apr 27, 2026SolicitationNAICS 212319Sol: 140FS226Q0091
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    AI Summary

    The U.S. Army Corps of Engineers is seeking bids for an emergency procurement of Type 1 River Rock at Missouri River Mile 52.8. This opportunity is a 100% Total Small Business Set-Aside under NAICS 212319. Bidders must provide suitable loading facilities and meet specific durability requirements for the stone. Please r…

    MO

    Posted Apr 8, 2026Due Apr 10, 2026SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26QA053
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    AI Summary

    The Western Area Power Administration Upper Great Plains Region is soliciting for the delivery of clean crushed rock to the Eagle Butte Substation. This opportunity is classified under NAICS code 212312 and is a product-focused request. Interested bidders should note that this solicitation falls under Simplified Acquis…

    MT

    Posted Apr 7, 2026Due Apr 17, 2026SolicitationNAICS 212312Sol: 89503426QWA001223
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    AI Summary

    The Department of Defense, specifically the Department of the Army, is seeking proposals for rip rap materials through a combined synopsis/solicitation. This opportunity is classified under NAICS code 212319 and is not set aside for simplified acquisition procedures. Bidders should prepare to meet the requirements outl…

    NY

    Posted Mar 20, 2026Due Mar 27, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U2852
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    AI Summary

    The opportunity involves the supply of limestone gravel for the McFaddin National Wildlife Refuge in Texas. This solicitation is set aside for small businesses and is relevant for contractors specializing in both product supply and construction services.

    VA

    Posted Mar 20, 2026Due Apr 1, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140FS226Q0074
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    AI Summary

    This opportunity involves aggregate delivery or pickup services for various locations in the NRV Ranger District, as part of a modification to solicitation 12444026Q0039. The pricing structure has been updated to reflect price per load for stone delivery. Interested bidders should note the changes in the statement of w…

    GA

    Posted Mar 17, 2026Due Apr 8, 2026Special NoticeNAICS 212312Total Small Business Set-Aside (FAR 19.5)
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    AI Summary

    This opportunity is a Request for Quotation (RFQ) for the delivery or pickup of various types of stone in the NRV Ranger District. It is set aside for small businesses, and all responsible sources may submit a quotation for consideration.

    GA

    Posted Mar 17, 2026Due Apr 8, 2026Combined Synopsis/SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 12444026Q0039
    View details

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    242
    sled
    56
    forecast
    26

    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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