NAICS Demand Lane

    Crushed and Broken Limestone Mining and Quarrying — Contract Opportunities

    152 total opportunities (152 active) tied to NAICS 212312 across federal, state, local, and forecast sources.
    NAICS 212312Federal + SLED152 total
    Total Opportunities
    152
    Across all indexed sources
    Active Estimate
    152
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 212312.

    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 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 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 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
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    AI Summary

    The opportunity involves a combined synopsis/solicitation for the North Zone Stone IDIQ with the Department of Agriculture, Forest Service. The performance location is the Monongahela National Forest in West Virginia, and it is categorized under NAICS code 212312. Interested bidders should review the attached solicitat…

    GA

    Posted Feb 11, 2026Due Mar 13, 2026Combined Synopsis/SolicitationNAICS 212312Sol: 12444326Q0008
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    AI Summary

    The U.S. Army Corps of Engineers, Kansas City District requires the purchase and delivery of various types of rock for hardpoints along the Missouri River. The solicitation includes specifications for Type 1 Rock and other materials, with a minimum delivery rate specified. Interested bidders should refer to the attache…

    MO

    Posted Jan 9, 2026Due Jan 23, 2026Combined Synopsis/SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26QA013
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    AI Summary

    The U.S. Army Corps of Engineers, Kansas City District requires the purchase and delivery of various types of rock for hardpoints along the Missouri River. The solicitation includes specific quantities and delivery requirements. Interested bidders should refer to the attached specifications for complete details.

    MO

    Posted Jan 8, 2026Due Jan 23, 2026Combined Synopsis/SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26QA013
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    AI Summary

    The opportunity involves supplying and delivering 700 tons of SB2 limestone materials to the FWS Cache River National Wildlife Refuge. Contractors can provide locally sourced limestone. This solicitation is set aside for small businesses and falls under Simplified Acquisition Procedures.

    VA

    Posted Jan 8, 2026Due Jan 12, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140FS326Q0016
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    89
    sled
    56
    forecast
    7

    About NAICS 212312

    This industry comprises establishments primarily engaged in mining or quarrying crushed and broken limestone. These materials are typically used in construction, road building, and as raw materials for cement production.

    Read the full NAICS definition →

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