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NAICS Code· 331312

NAICS 331312: Primary Aluminum Production

NAICS 331312 - Primary Aluminum Production covers the smelting and refining of aluminum and its alloys. This industry involves the conversion of alumina into primary aluminum through electrolytic processes, as well as the production of aluminum alloys used in critical infrastructure and manufacturing.

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NAICS 331312 FAQ

Frequently Asked Questions

NAICS code 331312 stands for Primary Aluminum Production. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

Recently Posted in Primary Aluminum Production

Aluminum Alloy Sheet SupplyThis subcontract involves the sourcing and supply of aluminum alloy metal sheeting for prime contractors supporting Department of Defense supply contracts. The specific requirements call for sheets measuring 0.010 inches thick, 48.00 inches wide, and 144.00 inches long, with a reference weight of 6.912 LB/SH. All materials must strictly adhere to the DLA Master List of Technical and Quality Requirements and be delivered to the designated DLA location. The contract is managed by the Department of Defense through Depot Oklahoma, with the place of performance located at Tinker AFB in Oklahoma. Interested parties must respond by October 5, 2026, following the posting date of September 23, 2026. The procurement falls under NAICS code 331312 and is coordinated through the DLA system.

POSTED

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Aerospace/Industrial Grade Aluminum Alloy SupplyThis subcontract opportunity, managed by the DLA Dist San Joaquin for the Department of Defense, seeks a provider of high-grade aluminum alloy raw materials, including billets, bars, and castings. The materials must be specifically rated for 1500 PSI pressure-bearing fluid control valve components and are intended for prime contractors fulfilling DLA supply contracts. To ensure quality and compliance, the supplier must provide certified materials accompanied by Mill Test Reports verifying alloy composition and strength. The contract is designated as a Total Small Business Set-Aside under NAICS code 331313 and is performed in Tracy, California. Interested parties must respond by September 28, 2026, following the posting date of September 17, 2026.

DLA DIST SAN JOAQUIN

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DEADLINE

Supply of Raw Materials for F100 Cooler LubricatingThis subcontract, managed by the Department of Defense through the Oklahoma DLA Aviation office, involves the supply of certified aerospace-grade raw materials and alloys for F100 engine projects under the Air Force Sustainment Center. The contractor is responsible for sourcing materials that adhere to the F100 technical data package and delivering them directly to the manufacturer. To ensure strict compliance with AFMC, NAVAIR, and AMCOM technical publications, the provider must supply comprehensive material certifications and mill test reports for full traceability. The opportunity is categorized under NAICS code 331312, with a response deadline set for September 24, 2026.

Ok DLA Aviation At Oklahoma City

POSTED

CLOSED

about 16 hours ago

License Plate Aluminum SupplierThis subcontract agreement establishes a partnership with a supplier to provide 35,000 lbs of raw aluminum for prime contractors working on New Hampshire Department of Administrative Services projects. The material must be embossed-grade aluminum capable of withstanding steel dies at a 3/32 inch height without warping or breaking, with final delivery to a designated state facility. The supplier is required to notify the state regarding any mercury or PFAS content and must provide certification of recycled content in accordance with FTC Green Marketing Guidelines. This procurement is managed by Das Purchasing for the state of New Hampshire under NAICS code 331312.

Das Purchasing (statewide Bids & Contracts)

POSTED

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in about 19 hours

Aerospace-Grade Aluminum SupplyThis subcontract involves the supply of raw aerospace-grade aluminum for prime contractors working on US Air Force aircraft component projects. The provider is responsible for sourcing and delivering aluminum stock that meets the specific alloy and temper requirements for part number 16C0101-811, ensuring all materials are accompanied by Mill Test Reports and certifications to maintain compliance with aviation standards. The contract is managed by the Department of Defense through the DLA Aviation office in Oklahoma City under NAICS code 331312. It was posted on September 4, 2026, with a response deadline of October 5, 2026.

Ok DLA Aviation At Oklahoma City

POSTED

DEADLINE

Titanium Alloy Sheet Production (Manufacturer)

CONSTRUCTION & EQUIPMENT MRO SVC I

POSTED

CLOSED

Supply of Aluminum Bronze Raw MaterialThis subcontract for the Department of Defense, managed by DLA DIST SAN JOAQUIN, involves the supply of raw aluminum bronze stock bars and billets for prime contractors working on DLA Land and Maritime projects. The selected provider is responsible for sourcing and delivering certified material that adheres to the metallurgical standards specified in the technical data package, ensuring all quality and alloy composition requirements are met through the provision of Mill Test Reports. The opportunity is categorized under NAICS code 331312 and is centered in Tracy, California. Interested parties must respond by September 14, 2026, to be considered for the delivery of these certified raw materials.

DLA DIST SAN JOAQUIN

POSTED

CLOSED

Aerospace-Grade Aluminum Alloy SupplyThis subcontract involves the sourcing and delivery of certified, aerospace-grade aluminum alloy raw materials for prime contractors supporting DLA Weapons Support aircraft projects. The primary focus is the provision of raw aluminum stock that meets strict military and aerospace grade requirements specifically for the construction of fuel tank components. Managed by the Department of Defense through the Ok DLA Aviation office in Oklahoma City, the contract requires the supplier to provide comprehensive mill test reports and material certifications to ensure quality compliance. The solicitation was posted on September 2, 2026, with a response deadline of September 30, 2026, falling under NAICS code 331312.

Ok DLA Aviation At Oklahoma City

POSTED

DEADLINE

Aerospace Superalloy Material Supply

Ok DLA Aviation At Oklahoma City

POSTED

DEADLINE

Supply of Aluminum Check Valves (NSN 4820007676810)

NUCLEAR REACTOR PROGRAM

POSTED

CLOSED

#1/0 Aluminum Primary Wire Supply

POSTED

DEADLINE

in about 24 hours

Raw Material Supply (Aluminum Alloy Sheet)The Defense Logistics Agency within the Department of Defense is seeking a subcontract for the supply of domestically produced aluminum alloy sheet material. This material is specifically intended for use in aircraft skin fabrication and must strictly comply with the Buy American Act and the Berry Amendment to ensure domestic sourcing. The solicitation was posted on August 25, 2026, with a response deadline of September 2, 2026. This procurement falls under NAICS code 331312 and is managed through the DIBBS procurement system.

Defense Logistics Agency

POSTED

about 1 month ago

CLOSED

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