NAICS Demand Lane

    Support Activities for Mining — Contract Opportunities

    406 total opportunities (406 active) tied to NAICS 21311 across federal, state, local, and forecast sources.
    NAICS 21311Federal + SLED406 total
    Total Opportunities
    406
    Across all indexed sources
    Active Estimate
    406
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 21311.

    AI Summary

    The Department of the Interior's National Park Service is seeking proposals for well plugging services at JELA. This opportunity is classified under NAICS code 213112 and is not set aside for small businesses. Interested bidders should submit their proposals by the deadline of August 20, 2026.

    DC

    Posted Aug 4, 2026Due Aug 20, 2026Combined Synopsis/SolicitationNAICS 213112Sol: 140PS126B0009
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    AI Summary

    The Department of Defense is soliciting quotes for 71 units of NSN 5355014616920 KNOB under an RFQ. This procurement may lead to an Indefinite Delivery Contract with a maximum order total of $350,000. Quotes must be submitted electronically, and hard copies are not available.

    OH

    Posted Aug 3, 2026Due Aug 18, 2026Combined Synopsis/SolicitationNAICS 213113Total Small Business Set-Aside (FAR 19.5)Sol: SPE7LX26U9133
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    AI Summary

    The Bureau of Land Management is seeking proposals for the plugging and abandonment of gas well bores in Montana. This opportunity is classified under NAICS code 213112 and is not subject to Simplified Acquisition Procedures. Interested bidders should prepare to submit their proposals by the specified deadline.

    CO

    Posted Jul 24, 2026Due Jul 22, 2026Combined Synopsis/SolicitationNAICS 213112Total Small Business Set-Aside (FAR 19.5)Sol: 140L0626Q0002
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    AI Summary

    The Department of Defense, through the Defense Logistics Agency, is seeking quotes for ball bearings under NAICS code 213113. This opportunity is classified as a product and falls under FAR Part 13 - Simplified Acquisition Procedures. Interested vendors should prepare their submissions accordingly.

    VA

    Posted Jul 15, 2026JustificationNAICS 213113Sol: SPE4A525Q1257
    Award Date
    Jul 1, 2026
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    AI Summary

    The Department of Veterans Affairs is soliciting proposals for gas detection testing services at the Boiler Plant. This opportunity is classified under NAICS code 213112 and is not set aside for small businesses. Interested bidders should prepare to submit their proposals by the specified deadline.

    MS

    Posted Jul 10, 2026Due Jul 20, 2026SolicitationNAICS 213112Sol: 36C25626Q0991
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    AI Summary

    The Department of Defense is seeking quotes for 15 units of NSN 5340013597888, retaining strap. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and the solicitation is available online. The contract will cover various delivery locations within CONUS an…

    OH

    Posted Jul 8, 2026Due Jul 23, 2026Combined Synopsis/SolicitationNAICS 213113Total Small Business Set-Aside (FAR 19.5)Sol: SPE7LX26U8741
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    AI Summary

    The Department of Veterans Affairs is seeking service providers for gas detection testing at their boiler plant. This opportunity is categorized as a Source Sought notice, aimed at identifying potential vendors for this specialized service. Interested parties should consider their capabilities in gas detection testing …

    MS

    Posted Jun 29, 2026Due Jun 29, 2026Special NoticeNAICS 213112Sol: 36C25626Q0933
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    AI Summary

    The Department of Defense is seeking quotes for 262 units of ball bearings (NSN 3110015165379) to be delivered to DLA Distribution Depot Oklahoma. This opportunity is a combined synopsis/solicitation and is classified under NAICS code 332991. Quotes must be submitted electronically, and hard copies are not available.

    VA

    Posted Jun 16, 2026Due Jun 24, 2026Combined Synopsis/SolicitationNAICS 213113Sol: SPE4A626T96A3
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    AI Summary

    The Department of Energy intends to issue a sole source contract to ASRC Consulting and Environmental Services for the Alaska Gas Hydrate R&D Project. This opportunity is not a request for proposals but invites capable parties to express interest by June 30, 2026. The project focuses on methane hydrate production testi…

    WV

    Posted Jun 15, 2026Due Jun 30, 2026Special NoticeNAICS 213112Sol: 89243326NFE000236
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    AI Summary

    The Department of the Interior's National Park Service is soliciting proposals for UST assessment and reporting services under EO14398. This opportunity focuses on environmental consulting related to underground storage tanks, specifically for the GLBA area. Interested bidders should prepare to submit their proposals b…

    AK

    Posted Jun 8, 2026Due Jun 24, 2026SolicitationNAICS 213112Total Small Business Set-Aside (FAR 19.5)Sol: 140P9726Q0044
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    187
    sled
    216
    forecast
    3

    About NAICS 21311

    Support Activities for Mining include establishments that perform exploration, drilling, and other support services for mining operations. These activities facilitate the extraction of minerals and other geological materials from the earth.

    Read the full NAICS definition →

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