Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 14 at 2:00 PM EDT

Register Free →

← Back to NAICS Codes

NAICS Code· 331411

NAICS 331411: Primary Smelting and Refining of Copper

NAICS 331411 - Primary Smelting and Refining of Copper covers the industrial processes involved in extracting copper from ore and refining it into high-purity metals. This includes the operation of smelting facilities, electrolytic refining, and the production of copper cathodes, anodes, and alloys.

Dotted

NAICS 331411 FAQ

Frequently Asked Questions

NAICS code 331411 stands for Primary Smelting and Refining of Copper. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

To find government contracts for NAICS 331411 (Primary Smelting and Refining of Copper), start by searching on CLEATUS where you can filter by NAICS code, agency, set-aside type, and more. Register your business on SAM.gov with NAICS 331411 listed in your entity profile. Monitor new solicitations, review incumbent contractors, and analyze agency spending patterns to prepare competitive proposals. Browse NAICS 331411 opportunities now.

Recently Posted in Primary Smelting and Refining of Copper

Zinc Anode Manufacturing and SupplyThe contract involves the manufacture and supply of 91 zinc anodes with NSN 5340-01-602-3919, specifically for corrosion protection applications requiring compliance with Department of Defense and DLA standards. The solicitation is structured as a subcontract under a Total Small Business Set-Aside as defined by FAR 19.5, ensuring eligibility and preference for small businesses as classified under NAICS code 331411, which corresponds to primary metal manufacturing. The opportunity was posted on July 23, 2026, with a response deadline of August 3, 2026, and the place of performance is designated as Tracy, California, with a zip code of 95304-5000. The contracting agency is the Land Supply Chain under the Department of Defense, emphasizing the military nature and operational requirements of the anodes. All deliverables must meet stringent military specifications to ensure durability and performance in harsh environments.

LAND SUPPLY CHAIN

POSTED

CLOSED

Specialty Metal Material SupplyThe contract entails the supply of certified metal tubing stock, including stainless steel and alloy materials, specifically compliant with ASTM or MIL-SPEC standards to support the fabrication of tube assemblies. The materials must meet strict technical specifications to ensure reliability and performance in defense-related applications, with all deliveries required to align with established industry certification protocols. This subcontract is issued under the Defense Logistics Agency, part of the Department of Defense, and falls under the NAICS code 331411 for rolled metal product manufacturing. The contract was posted on July 15, 2026, and is designated as a subcontract, indicating it is part of a broader procurement chain likely supporting military or aerospace systems. Performance is expected to occur at locations determined by the prime contractor or end-user requirements, with no specific place of performance detailed. The supplier must ensure consistent quality, traceability, and adherence to military-grade standards throughout the production and delivery cycle to satisfy the demanding requirements of Department of Defense applications.

Defense Logistics Agency

POSTED

DEADLINE

Forging and Casting Supply for Critical HardwareThis contract involves the supply of forged and cast components that adhere to specific naval material specifications and comply with DFARS domestic sourcing requirements, ensuring the manufacturing process and materials meet stringent defense standards. The solicitation, titled "Forging and Casting Supply for Critical Hardware," is managed by the Department of Defense through the Naval Surface Warfare Center Carderock Division, with the place of performance located in Bethesda, Maryland. The procurement falls under NAICS code 331411, which relates to forging and stamping industries. The contract type is a subcontract with a response deadline set for July 8, 2026, at 1:00 PM. Although no set-aside type or organization type requirements are specified, the opportunity emphasizes the importance of sourcing domestically compliant components to support critical hardware needs. This contract supports defense readiness by securing high-quality, reliable parts consistent with naval use, reflecting the strategic priorities of the Department of Defense regarding supply chain security and material integrity.

POSTED

CLOSED

Domestic Metal Parts Supplier / Raw Material ProvisionThe contract pertains to the supply of domestically sourced alloy or stainless steel raw materials or blanks, specifically suited for machining into military-grade hex cap screws. It is issued by the Department of Defense through its ASC Commodities Division and focuses on procuring metal parts necessary for military applications. The contract type is a subcontract, and the relevant industry classification falls under NAICS code 331411, which corresponds to primary smelting and refining of nonferrous metal (except copper and aluminum) production. The place of performance for this contract is in Texarkana with the zip code 75507-5000. The solicitation was posted on May 28, 2026, and responses are due by June 5, 2026. This contract emphasizes sourcing materials domestically, ensuring compliance with any federal requirements for domestic content. While no specific set-aside type or organization type is indicated, the contract represents an opportunity for suppliers capable of providing high-quality alloy or stainless steel raw materials essential for manufacturing military-grade components.

ASC COMMODITIES DIVISION

POSTED

CLOSED

Supply of Raw Materials for Aluminum Foil TapeThis contract entails the supply of raw aluminum foil and pressure-sensitive adhesive materials that comply with commercial standards, specifically intended for use in the manufacturing of aluminum foil tapes. It is issued as a subcontract under the NAICS code 331411, which pertains to primary aluminum production. The contract is managed by the Supply Chain Management Contracting Division of the General Services Administration, under its Federal Acquisition Service. Key dates for this opportunity include a posting date of May 14, 2026, with a response deadline set for May 20, 2026, at 9:00 PM. While specific details such as the solicitation number, set-aside information, exact location of performance, and point of contact have not been provided, the contract is geared toward entities capable of meeting the required specifications for these raw materials in support of tape manufacturing processes.

Supply Chain Management Contracting Division Gsa/fas/gss/qscb

POSTED

CLOSED

Specialty Materials Supply for ArtworkThis contract involves the supply of high-quality, durable materials such as bronze, stone, and weather-resistant coatings specifically intended for the fabrication of public artwork. It is categorized under NAICS code 331411 and is managed by the General Services Administration's Acquisition Management Division, identified as Pbs R4 (amd). The contract is structured as a subcontract opportunity with no specified set-aside type, indicating it is open to qualified vendors without particular preference designations. The solicitation was posted on May 13, 2026, with a response deadline set for June 15, 2026, at 8:00 PM. The place of performance is designated as Chattanooga, with the ZIP code 37405. While specific details such as the agency’s office address or point of contact are not provided, the contract aims to secure specialty materials that are durable and appropriate for outdoor public art installations, emphasizing quality and resistance to weather conditions. The contractor will be expected to deliver materials that meet these requirements within the stated timeline to facilitate successful public artwork projects.

Pbs R4 (amd) Acquisition Management Division

POSTED

CLOSED

Forged Metal Components Supply for Valve AssembliesThe contract calls for the supply of forged components made from carbon steel, stainless steel, or alloy materials, specifically for use in valve assemblies including valve bodies, stems, and seats. These components must conform to naval specifications to ensure compatibility and performance in demanding maritime environments. The work is classified as a subcontract under NAICS code 331411, indicating it falls within the forging and stamping industry sector, and is being procured by the Naval Supply Systems Command Weapon Systems Support in support of the Department of Defense. The solicitation was posted on May 5, 2026, with a firm deadline for responses set for May 15, 2026, at 8:30 PM Eastern Time. All components must meet exacting quality and material standards required by naval applications, and delivery is expected to occur at locations determined by the government, though no specific performance address has been provided. The procurement is open to qualified subcontractors without a set-aside designation, and interested parties must respond through the official SAM.gov portal before the stated deadline to be considered.

Navsup Weapon Systems Support Mech

POSTED

CLOSED

Material Supply – AL 5050-H32 Aluminum Sheet

DLA Maritime - Portsmouth

POSTED

CLOSED

2.25" Diameter Bronze Bar (C90300, Type 3) Supply

POSTED

CLOSED

Domestic Supply of Raw Materials and Components

Ok DLA Aviation At Oklahoma City

POSTED

CLOSED

Recycled Content Materials Supply

City of Goldsboro

POSTED

about 1 year ago

CLOSED

about 1 year ago

Plastic Pallet Recycling Services

Texas Department of Public Safety

POSTED

about 1 year ago

CLOSED

about 1 year ago

Win Contracts in Primary Smelting and Refining of Copper

Get AI-powered intelligence on NAICS 331411 procurement

Real-time contract opportunities for NAICS 331411 (Primary Smelting and Refining of Copper)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Join 750+ contractors already using CLEATUS