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

    NAICS Demand Lane

    Primary Metal Manufacturing, Contract Opportunities

    3,326 total opportunities (3,326 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--TUBE ASSEMBLY,SENSO

    Active

    AI Summary

    The Department of Defense is soliciting quotes for the procurement of tube assembly, NSN 4710010787778. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Interested vendors must submit quotes electronically, as hard copies are not available. The estimated delivery is within 90 days after order …

    OH

    Posted Sep 14, 2026Due Sep 29, 2026Combined Synopsis/SolicitationNAICS 331210Sol: SPE7M126U6110
    View details→

    DEPT OF DEFENSE

    47--PIPE ASSEMBLY,METAL

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 11 units of metal pipe assembly under NSN 4710015285678. 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 Sep 14, 2026Due Sep 29, 2026Combined Synopsis/SolicitationNAICS 331210Sol: SPE7M126U6111
    View details→

    DEPT OF DEFENSE

    95--SHEET,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for NSN 9535005852715, sheet metal, with a quantity of 3 units. The solicitation is an RFQ and will be available electronically. Quotes must be submitted electronically, and hard copies are not available. All responsible sources may submit a quote for consideration.

    PA

    Posted Sep 14, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 331491Total Small Business Set-Aside (FAR 19.5)Sol: SPE8E426T2244
    View details→

    DEPT OF DEFENSE

    47--TUBE,METALLIC

    Active

    AI Summary

    The Department of Defense is seeking quotes for 406 feet of metallic tube (NSN 4710006047942) under a combined synopsis/solicitation. The solicitation is available electronically, and hard copies will not be provided. All responsible sources may submit a quote electronically, which will be considered if timely received…

    OH

    Posted Sep 13, 2026Due Sep 24, 2026Combined Synopsis/SolicitationNAICS 331210Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M426T406R
    View details→

    DEPT OF DEFENSE

    61--WIRE,ELECTRICAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 1,500 feet of electrical wire (NSN 6145015654641) to be delivered to DLA Distribution Depot Oklahoma. This opportunity is a Request for Quotation (RFQ) and requires electronic submission of quotes. Specifications and hard copies are not available.

    OH

    Posted Sep 11, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 331318Sol: SPE7M126T348T
    View details→

    DEPT OF DEFENSE

    61--CABLE,SPECIAL PURPOSE,

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of special purpose cables under NSN 6145015619059. The solicitation is an RFQ, and quotes must be submitted electronically. Delivery is required to DLA DIST SAN JOAQUIN within 80 days after order. Specifications and hard copies are not available.

    OH

    Posted Sep 11, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 331420SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: SPE7M126T348Q
    View details→

    DEPT OF DEFENSE

    95--PLATE,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 40 units of metal plates under NSN 9535000047342. This opportunity is a combined synopsis/solicitation and is set aside for WOSB. Quotes must be submitted electronically, and hard copies are not available. The delivery is required at DLA Distribution Depot Oklahoma.

    PA

    Posted Sep 11, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 331491SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: SPE8E926T3766
    View details→

    DEPT OF DEFENSE

    BAR,METAL

    Active

    AI Summary

    The Department of the Navy is soliciting bids for metal bars under NAICS code 331491. This procurement is crucial for shipboard systems, emphasizing the need for high-quality materials. The offer due date is September 25, 2026, and vendors are invited to submit quotes for the specified items.

    PA

    Posted Sep 11, 2026Due Sep 25, 2026SolicitationNAICS 331491Sol: N0010426QFE84
    View details→

    DEPT OF DEFENSE

    47--TUBE ASSEMBLY SET,META

    Active

    AI Summary

    The Department of Defense is seeking quotes for a tube assembly set, NSN 4710015191204, with a quantity of 3 units. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote for consideration.

    OH

    Posted Sep 10, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 331210Sol: SPE7M426T399R
    View details→

    DEPT OF DEFENSE

    47--TUBE ASSEMBLY,METAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of metal tube assemblies under NSN 4710015672452. The opportunity includes two line items with specific delivery requirements. All responsible sources are encouraged to submit their quotes electronically by the specified deadlines.

    OH

    Posted Sep 10, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 331210Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M426T398D
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    3,207
    sled
    117
    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 →