NAICS Demand Lane

    Support Activities for Mining — Contract Opportunities

    282 total opportunities (282 active) tied to NAICS 21311 across federal, state, local, and forecast sources.
    NAICS 21311Federal + SLED282 total
    Total Opportunities
    282
    Across all indexed sources
    Active Estimate
    282
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 21311.

    AI Summary

    The U.S. Fish and Wildlife Service is seeking proposals for a Fuel Blanket Purchase Agreement (BPA) at Felsenthal National Wildlife Refuge. This opportunity involves both the provision of fuel and related services. Interested parties should submit their proposals by April 27, 2026.

    VA

    Posted Apr 20, 2026Due Apr 27, 2026Combined Synopsis/SolicitationNAICS 213112Sol: 140FS326Q0055
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    AI Summary

    The Department of Veterans Affairs seeks a contractor for the maintenance of fuel dispensing systems at the Milwaukee VA Medical Center. Services include inspection, calibration, and compliance verification of underground storage tanks. Certified technicians are required, and the contract period is estimated at 90 days…

    WI

    Posted Apr 17, 2026Due Apr 24, 2026SolicitationNAICS 213112Sol: 36C25226Q0228
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    AI Summary

    The National Park Service is preparing to issue an Invitation for Bid for oil well plugging at Jean Lafitte National Historical Park. The project involves reclaiming three well sites, with a contract value between $1 million and $5 million. This opportunity is set aside for small businesses and will be publicly announc…

    DC

    Posted Apr 14, 2026Due Apr 29, 2026PresolicitationNAICS 213112Total Small Business Set-Aside (FAR 19.5)Sol: 140PS126B0006
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    AI Summary

    The Department of Defense is seeking quotes for 189 units of NSN 5340015183332, mounting brackets. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote, which will be considered if timely received.

    OH

    Posted Apr 14, 2026Due Apr 24, 2026Combined Synopsis/SolicitationNAICS 213113Sol: SPE7L126T367T
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    AI Summary

    The Department of Defense is soliciting quotes for 64 units of NSN 3040013995695, a shouldered shaft. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total value of orders is $350,000.

    OH

    Posted Apr 8, 2026Due Apr 23, 2026Combined Synopsis/SolicitationNAICS 213113Sol: SPE7LX26U6214
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    AI Summary

    The Department of Defense is soliciting quotes for 14 units of NSN 3040219076671, a shouldered shaft. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000.

    OH

    Posted Mar 16, 2026Due Mar 31, 2026Combined Synopsis/SolicitationNAICS 213113Sol: SPE7LX26U5173
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    AI Summary

    The Engineering Research and Development Center requires a contractor for inspection services of above ground storage tanks at CRREL in Hanover, New Hampshire. The contractor will manage all aspects of the inspection to comply with state regulations and deliver reports for permit issuance.

    MS

    Posted Mar 2, 2026Due Mar 5, 2026SolicitationNAICS 213112Total Small Business Set-Aside (FAR 19.5)Sol: W913E526RA003
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    AI Summary

    The Department of Defense is seeking quotes for 241 units of NSN 3110015034241, a retainer and roller. This opportunity is a combined synopsis/solicitation under RFQ, with electronic submission required. Interested vendors should note that hard copies of the solicitation are not available.

    VA

    Posted Feb 19, 2026Due Feb 27, 2026Combined Synopsis/SolicitationNAICS 213113Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T745P
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    AI Summary

    The Department of Defense is soliciting bids for the purchase of 5,000-10,000 gallons of used petroleum products annually, including various oils and fluids. Bids must be submitted by February 6, 2026, at 2:00 PM EST. Interested parties can inspect the property prior to bidding. For more details, contact the Commanding…

    SC

    Posted Jan 29, 2026Due Feb 6, 2026SolicitationNAICS 213112Sol: MBF2026002
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    AI Summary

    The Department of Defense is seeking quotes for 1,131 units of SHAFT ASSEMBLY, FLEX under NSN 6680007320561. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and the solicitation will be available online. Military specifications can be …

    VA

    Posted Jan 28, 2026Due Feb 5, 2026Combined Synopsis/SolicitationNAICS 213113Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T601T
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    181
    sled
    97
    forecast
    4

    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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