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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /212312

    NAICS Demand Lane

    Crushed and Broken Limestone Mining and Quarrying, Contract Opportunities

    192 total opportunities (192 active) tied to NAICS 212312 across federal, state, local, and forecast sources.
    NAICS 212312Federal + SLED192 total
    View NAICS definition →
    Total Opportunities
    192
    Across all indexed sources
    Active Estimate
    192
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 212312.

    DEPT OF DEFENSE

    QUARRY MATERIAL

    Active

    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→

    DEPARTMENT OF THE INTERIOR

    Y--CANCELING | RIP-RAP, LOWER YELLOWSTONE RIVER

    Archived

    AI Summary

    This opportunity involves the cancellation of a solicitation for rip-rap services for the Lower Yellowstone River, managed by the Department of the Interior's Bureau of Reclamation. The primary NAICS code is 212312, and the opportunity is categorized as a product. Interested parties should note the cancellation status.

    MT

    Posted Aug 14, 2026Due Aug 21, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: 140R6026Q0092
    View details→

    DEPT OF DEFENSE

    CAP Rathbun Shoreline Rock Purchase

    Archived

    AI Summary

    The U.S. Army Corps of Engineers requires the purchase and delivery of 67,451 tons of riprap rock from approved sources to four sites at Rathbun Lake Project in Centerville, IA. Contractors must provide all necessary personnel, equipment, and materials, adhering to specified standards.

    MO

    Posted Jul 17, 2026Due Jul 24, 2026Combined Synopsis/SolicitationNAICS 212312Sol: W912DQ26QA068
    View details→

    DEPT OF DEFENSE

    DETROIT PROJECT OFFICE STONE SUPPLY

    Archived

    AI Summary

    The US Army Corps of Engineers, Detroit Project Office requires the supply and delivery of stone for its structures. Contractors are invited to submit proposals for this solicitation, which details the specific items needed as outlined in the attached PWS.

    MI

    Posted Jun 26, 2026Due Jul 28, 2026SolicitationNAICS 212312Total Small Business Set-Aside (FAR 19.5)Sol: W911XK26QA016
    View details→

    DEPT OF DEFENSE

    ADK RANGE CRUSHED STONE

    Archived

    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
    View details→

    DEPT OF DEFENSE

    SOURCES SOUGHT RATHBUN LAKE PROJECT, SHORELINE STONE PROTECTION, USACE APPROVED QUARRY AND DELIVERY TO SITE

    Archived

    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
    View details→

    DEPT OF DEFENSE

    DETROIT PROJECT OFFICE STONE SUPPLY

    Archived

    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
    View details→

    DEPARTMENT OF THE INTERIOR

    OAK HARBOR-OH, OTTAWA NWR-AGGREGATE BPA 2026

    Archived

    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
    View details→

    DEPARTMENT OF ENERGY

    CLEAN CRUSHED ROCK DELIVERY

    Archived

    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
    View details→

    DEPARTMENT OF AGRICULTURE

    AGGREGATE DELIVERY OR PICKUP FOR VARIOUS LOCATIONS IN THE NRV RANGER DISTRICT

    Archived

    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)
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    94
    sled
    98
    forecast
    0

    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

    • 212312 Definition→
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    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 →