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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /33131

    NAICS Demand Lane

    Alumina and Aluminum Production and Processing, Contract Opportunities

    538 total opportunities (538 active) tied to NAICS 33131 across federal, state, local, and forecast sources.
    NAICS 33131Federal + SLED538 total
    View NAICS definition →
    Total Opportunities
    538
    Across all indexed sources
    Active Estimate
    538
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33131.

    DEPT OF DEFENSE

    47--STRAINER,SEDIMENT

    Active

    AI Summary

    DLA is soliciting electronic quotes for three sediment strainers (NSN 4730-01-216-3185), with delivery to DLA Distribution within 545 days after award. Approved sources are identified by part numbers 90109000 and NS-4099 ASSY CL-1/2IN. Specifications, drawings, and hard copies are unavailable; all responsible sources m…

    OH

    Posted Oct 25, 2026Due Nov 5, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M327T0677
    View details→

    DEPT OF DEFENSE

    53--INSERT,SCREW THREAD

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 36 screw-thread inserts, NSN 5325-01-374-8306, for delivery to DLA Distribution San Joaquin within 254 days after award. Approved sources are identified as 35795 and 58417. Specifications, drawings, and hard copies are unavailable; all responsible sources…

    OH

    Posted Oct 25, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331315Sol: SPE7MC27T1171
    View details→

    ALUMINUM, 5" X 1/2" THICK, FLAT BAR,

    Active

    AI Summary

    The U.S. Coast Guard Surface Forces Logistics Center is requesting quotes for 15 aluminum flat bars, each 5 inches wide by 1/2 inch thick and 15 feet long, alloy 5086-H111. Delivery, including freight, is required FOB destination in Baltimore, Maryland, by May 17, 2027. Quotes are due by October 26, 2026, and substitut…

    Posted Oct 23, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: 2127407Q152141597
    View details→

    DEPARTMENT OF JUSTICE

    ALUMINUM BLANKS

    Active

    AI Summary

    UNICOR seeks quotes from small businesses for aluminum blanks in three specified sizes, under a two-year firm-fixed-price indefinite-delivery, indefinite-quantity contract with economic price adjustment. The guaranteed minimum is 40,000 units, with delivery orders issued during performance and delivery terms FOB Destin…

    MD

    Posted Oct 22, 2026Due Nov 20, 2026Combined Synopsis/SolicitationNAICS 331315Total Small Business Set-Aside (FAR 19.5)Sol: SV0102-27
    View details→

    DEPT OF DEFENSE

    61--CABLE,POWER,ELECTRICAL

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 1,000 feet of power electrical cable, NSN 6145-01-203-5384, for delivery to DLA Distribution San Joaquin within 242 days after award. This is a qualified products list item, and only qualifying products are acceptable. Hard-copy solicitations are unavaila…

    OH

    Posted Oct 21, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M127T1265
    View details→

    DEPT OF DEFENSE

    61--CABLE,POWER,ELECTRICAL

    Active

    AI Summary

    DLA is soliciting quotes for 79,477 feet of NSN 6145-01-202-7745 power electrical cable for delivery to DLA Distribution San Diego within 103 days after order. This is a qualified products list item. Quotes must be submitted electronically; hard-copy solicitations are unavailable.

    OH

    Posted Oct 20, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M227T0287
    View details→

    DEPT OF DEFENSE

    53--SPRING,LEAF

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 33 leaf springs under NSN 5360014404888. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and the estimated total order value is $350,000. Items will be shipped to various DLA depots both CONUS and OCON…

    OH

    Posted Oct 14, 2026Due Oct 29, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7LX27U0208
    View details→

    DEPT OF DEFENSE

    47--STRAINER,SEDIMENT

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of 2 units of sediment strainers (NSN 4730013264186). The solicitation is an RFQ and will be available electronically. All responsible sources may submit a quote for consideration.

    OH

    Posted Oct 13, 2026Due Oct 23, 2026Combined Synopsis/SolicitationNAICS 331318Sol: SPE7M427T0832
    View details→

    DEPT OF DEFENSE

    ALUMINUM ALLOY SHEET

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Army, is seeking proposals for aluminum alloy sheet. This opportunity is categorized under NAICS code 331315 and is not subject to Simplified Acquisition Procedures. Interested bidders should prepare their submissions accordingly.

    NY

    Posted Oct 9, 2026Due Oct 19, 2026Combined Synopsis/SolicitationNAICS 331315Total Small Business Set-Aside (FAR 19.5)Sol: W911S227U0031
    View details→

    DEPT OF DEFENSE

    61--CABLE,RADIO FREQUEN

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 12,000 feet of radio frequency cable under NSN 6145000842096. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and hard copies are not available.

    OH

    Posted Oct 9, 2026Due Oct 19, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M127T0480
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    514
    sled
    24
    forecast
    0

    Related NAICS Codes

    • 33, Manufacturing→
    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing→

    Explore

    • 33131 Definition→
    • Browse NAICS Codes→
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    About NAICS 33131

    This industry comprises establishments primarily engaged in producing alumina and aluminum, including primary aluminum production and aluminum processing such as rolling, drawing, and extruding. It involves the transformation of raw materials into aluminum products used in various manufacturing sectors.

    Read the full NAICS definition →