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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /21231

    NAICS Demand Lane

    Stone Mining and Quarrying, Contract Opportunities

    424 total opportunities (424 active) tied to NAICS 21231 across federal, state, local, and forecast sources.
    NAICS 21231Federal + SLED424 total
    View NAICS definition →
    Total Opportunities
    424
    Across all indexed sources
    Active Estimate
    424
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 21231.

    DEPARTMENT OF AGRICULTURE

    APACHE ZONE AGGREGATE SUPPLY

    Archived

    AI Summary

    The USDA Forest Service requires crushed aggregate supply for the Apache-Sitgreaves National Forests. The contractor will provide the specified aggregate material, while the government will handle the hauling. Interested bidders should refer to the solicitation attachments for complete requirements and submission detai…

    AZ

    Posted Sep 28, 2026Due Sep 30, 2026Combined Synopsis/SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: 1240LP26Q0173
    View details→

    DEPARTMENT OF AGRICULTURE

    Deschutes Nation Forest Rock Crushing - Black Butte Pit

    Archived

    AI Summary

    The Deschutes National Forest is soliciting quotations for a project involving clearing, pit development, aggregate crushing, stockpiling, and testing at the Black Butte Pit in Sisters, Oregon. This RFQ is set-aside for small businesses, with work expected to commence between October 1, 2026, and April 15, 2027. Quotat…

    OR

    Posted Sep 4, 2026Due Sep 10, 2026Combined Synopsis/SolicitationNAICS 212319Small Business Set Aside - TotalSol: 1240BE26Q0104
    View details→

    DEPARTMENT OF AGRICULTURE

    THIS OPPORTUNITY IS ONLY AVAILABLE TO THE REGION 3 FOREST ENGINEERING & ROADS MAINTENANCE BLANKET PURCHASE AGREEMENT (FERM BPA) CONTRACTORS

    Archived

    AI Summary

    This opportunity is exclusively for Region 3 Forest Engineering & Roads Maintenance BPA contractors in Arizona. It involves supplying approximately 2950 tons of crushed aggregate stockpile for the Apache-Sitgreaves National Forest, with designated pit locations not exceeding 35 miles from the forest boundary.

    AZ

    Posted Sep 3, 2026Due Sep 11, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 1240LP26Q0168
    View details→

    DEPT OF DEFENSE

    Providence Bend Rock Purchase

    Archived

    AI Summary

    The U.S. Army Corps of Engineers requires the purchase of four types of rock for improvements to the Missouri River Project. The total quantity includes 400 tons of 6” Minus, 10,100 tons of Type 1 Rock, 250 tons of 3” Clean Rock, and 250 tons of 1” Road Rock. Interested bidders should refer to the combined synopsis/sol…

    MO

    Posted Sep 2, 2026Due Sep 9, 2026Combined Synopsis/SolicitationNAICS 212319Small Business Set Aside - TotalSol: W912DQ26QA079
    View details→

    DEPT OF DEFENSE

    Class IV base course aggregate

    Archived

    AI Summary

    The Department of Defense, specifically the Air Force, is soliciting for Class IV base course aggregate with a requirement for brand name or equal products and door-to-door delivery. Interested parties should submit inquiries by August 24, 2026, and monitor for any amendments to the solicitation.

    AP

    Posted Aug 25, 2026Due Aug 31, 2026SolicitationNAICS 212319Sol: FA527026QA048
    View details→

    DEPT OF DEFENSE

    WHATCOM BYLSMA MATERIALS

    Archived

    AI Summary

    The Department of Defense is soliciting bids for the supply and delivery of materials for levee reconstruction near Ferndale, WA, in response to the December 2025 flood event. Bidders must provide materials using a Solo Dump Truck or Truck and Transfer as specified in the Scope of Work.

    WA

    Posted Aug 20, 2026Due Aug 27, 2026SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: W912DW26QA077
    View details→

    DEPT OF DEFENSE

    BULK PURCHASE RIPRAP MATERIALS

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Air Force, is seeking a supplier for the bulk purchase and delivery of angular riprap stone. This opportunity is categorized as a Combined Synopsis/Solicitation and is not set aside for any specific group.

    CO

    Posted Aug 18, 2026Due Aug 28, 2026Combined Synopsis/SolicitationNAICS 212319No Set aside usedSol: FA251726QA032
    View details→

    DEPT OF DEFENSE

    QUARRY MATERIAL

    Archived

    AI Summary

    The Department of Defense is seeking quotes for various quarry materials to be delivered to the Letterkenny Army Depot over the next five years. This opportunity is not set aside for small businesses and requires submission of quotes via email. The solicitation number is W911N226QA010, and it includes a range of constr…

    PA

    Posted Aug 17, 2026Due Sep 1, 2026Combined Synopsis/SolicitationNAICS 212312Sol: W911N226QA010
    View details→

    DEPT OF DEFENSE

    WHATCOM RITTER ROAD MATERIALS

    Archived

    AI Summary

    The Department of Defense is soliciting bids for the supply and delivery of materials for levee reconstruction near Ferndale, WA, in response to the December 2025 flood event. Bidders must provide materials using a Solo Dump Truck or Truck and Transfer as specified in the Scope of Work.

    WA

    Posted Aug 14, 2026Due Aug 21, 2026SolicitationNAICS 212319Total Small Business Set-Aside (FAR 19.5)Sol: W912DW26QA078
    View details→

    DEPT OF DEFENSE

    Howard Hanson Dam - Transport of Large Wood Debris and Gravel Purchase and Delivery

    Archived

    AI Summary

    The opportunity involves the transport of large wood debris and the purchase and delivery of gravel for the Howard Hanson Dam project. This combined synopsis/solicitation is set aside for small businesses and requests quotations for loading, hauling, and offloading services. Interested parties should refer to solicitat…

    WA

    Posted Aug 13, 2026Due Aug 19, 2026Combined Synopsis/SolicitationNAICS 212319Small Business Set Aside - TotalSol: W912DW26QA0088
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    273
    sled
    148
    forecast
    3

    Related NAICS Codes

    • 21, Mining, Quarrying, and Oil and Gas Extraction→
    • 211, Oil and Gas Extraction→
    • 2111, Oil and Gas Extraction→
    • 21112, Crude Petroleum Extraction →
    • 211120, Crude Petroleum Extraction →
    • 21113, Natural Gas Extraction →
    • 211130, Natural Gas Extraction →
    • 212, Mining (except Oil and Gas)→
    • 2121, Coal Mining→
    • 21211, Coal Mining→

    Explore

    • 21231 Definition→
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    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 →