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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /331

    NAICS Demand Lane

    Primary Metal Manufacturing, Contract Opportunities

    3,265 total opportunities (3,265 active) tied to NAICS 331 across federal, state, local, and forecast sources.
    NAICS 331Federal + SLED3.3K total
    View NAICS definition →
    Total Opportunities
    3.3K
    Across all indexed sources
    Active Estimate
    3.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 331.

    DEPT OF DEFENSE

    47--PIPE,METALLIC

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 26 units of metallic pipe under NSN 4710015765538. 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 Aug 26, 2026Due Sep 9, 2026Combined Synopsis/SolicitationNAICS 331420Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M126U5535
    View details→

    DEPT OF DEFENSE

    47--TUBE ASSEMBLY,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 41 units of metal tube assembly (NSN 4710010074430) under a combined synopsis/solicitation. The solicitation is an RFQ, and all responsible sources may submit quotes electronically. Delivery is required at DLA Distribution Warner Robins within 420 days after order. Specif…

    OH

    Posted Aug 26, 2026Due Sep 8, 2026Combined Synopsis/SolicitationNAICS 331420Sol: SPE7M426T366J
    View details→

    DEPT OF DEFENSE

    47--PIPE, 8IN

    Active

    AI Summary

    The Department of Defense is soliciting bids for the procurement of 8-inch pipes. This opportunity is classified under NAICS code 331420, focusing on pipe manufacturing. Interested bidders must comply with specific technical and quality requirements outlined in the solicitation. The opportunity is not set aside for sma…

    PA

    Posted Aug 25, 2026Due Sep 24, 2026SolicitationNAICS 331420Sol: N0010426RED38
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    STRAINER ELEMENT, SEDIMENT

    Active

    AI Summary

    The U.S. Coast Guard is seeking quotations for 20 sediment strainer elements, NSN 4730-01-599-0349, manufactured by Hayward Industrial Products. Vendors must meet specific packaging requirements and provide brand name parts. The opportunity is set under simplified acquisition procedures, with a closing date for quotes …

    VA

    Posted Aug 25, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 331210Sol: 70Z08026P21105B00
    View details→

    DEPT OF DEFENSE

    BERYLLIUM PLATE

    Active

    AI Summary

    The Department of Defense is seeking qualified sources to provide beryllium plates under RFQ number SPMYM326Q5074. This opportunity is a combined synopsis/solicitation using Simplified Acquisition Procedures. Interested parties must submit their offers in accordance with the provided specifications and clauses. Evaluat…

    NH

    Posted Aug 25, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 331420Sol: SPMYM326Q5074
    View details→

    DEPARTMENT OF THE INTERIOR

    U&O CATTLE GUARDS

    Active

    AI Summary

    The Department of the Interior, Bureau of Indian Affairs, is soliciting proposals for U&O cattle guards. This opportunity is categorized under NAICS code 331210 and is focused on the procurement of metal cattle guards. Interested bidders should prepare to submit their proposals in response to this combined synopsis/sol…

    AZ

    Posted Aug 24, 2026Due Sep 5, 2026Combined Synopsis/SolicitationNAICS 331210Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 140A1126Q0070
    View details→

    DEPT OF DEFENSE

    95--PLATE,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 6 units of metal plates under NSN 9535010368816. This opportunity is a combined synopsis/solicitation and is available electronically. Quotes must be submitted electronically, and hard copies are not provided. All responsible sources are encouraged to participate.

    PA

    Posted Aug 24, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 331491Total Small Business Set-Aside (FAR 19.5)Sol: SPE8E926T3582
    View details→

    DEPT OF DEFENSE

    INSERT, NPH 5.500 OD

    Active

    AI Summary

    The Department of Defense, through the Defense Logistics Agency, is soliciting bids for NPH 5.500 OD. Interested parties should refer to Solicitation No. SPMYM4-26-Q-3679 for details. This opportunity is classified under NAICS Code 331221 and is for a product. Please note that this solicitation does not have a set-asid…

    HI

    Posted Aug 24, 2026Due Aug 28, 2026SolicitationNAICS 331221Sol: SPMYM426Q3679
    View details→

    DEPT OF DEFENSE

    95--SHEET,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for sheet metal (NSN 9535005962079) with a total quantity of 8 units to be delivered to DLA Distribution Cherry Point. This opportunity is set aside for WOSB and is available as an RFQ. Quotes must be submitted electronically, and hard copies are not available.

    PA

    Posted Aug 24, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 331491SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: SPE8E926T3576
    View details→

    DEPT OF DEFENSE

    95--SHEET,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 200 units of sheet metal under NSN 9535002326880. 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. The solicitation will be accessible via the provided l…

    PA

    Posted Aug 24, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 331491Total Small Business Set-Aside (FAR 19.5)Sol: SPE8E926T3571
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    3,154
    sled
    109
    forecast
    2

    Related NAICS Codes

    • 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 →
    • 331222, Steel Wire Drawing →
    • 3313, Alumina and Aluminum Production and Processing→

    Explore

    • 331 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
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    About NAICS 331

    Primary Metal Manufacturing involves the smelting and refining of ferrous and nonferrous metals from ore, pig, or scrap and the production of metal shapes and forms. This sector includes establishments that produce basic metals such as iron, steel, aluminum, copper, and other metals.

    Read the full NAICS definition →