Top 10 Companies in the Oxygen Free Copper Industry (2025): Market Leaders Powering Global Electronics and High-Tech Applications

In Business Insights
December 31, 2025


The Global Oxygen Free Copper (OFC) Market was valued at USD 7,436.99 Million in 2023 and is projected to reach USD 8,574.27 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 2.40% during the forecast period. This steady growth is driven by rising demand from the electronics, automotive, and industrial sectors, where OFC’s superior conductivity, high purity, and excellent ductility are indispensable for next-generation technologies.

As industries worldwide push for greater efficiency and performance in conductive materials, the focus intensifies on the specialized manufacturers who produce high-purity oxygen-free copper. In this blog, we profile the Top 10 Companies in the Oxygen Free Copper Industry—pioneers in metallurgy and material science who are enabling the future of electrification and high-speed communication.


🔟 1. Mitsubishi Materials Corporation

Headquarters: Tokyo, Japan
Key Offering: C10100 OFC, C10200 OFE Copper

Mitsubishi Materials is a global leader in advanced materials, producing high-purity oxygen-free copper renowned for its exceptional electrical conductivity. Their OFC products are critical components in high-frequency cables, semiconductors, and vacuum electronic devices.

Innovation and Quality Initiatives:

  • Pioneering ultra-high purity copper production processes

  • R&D focused on OFC for 5G infrastructure and electric vehicle power systems

  • Stringent quality control ensuring 99.99%+ copper purity

Download FREE Sample Report: Global Oxygen Free Copper (OFC) Market – View in Detailed Research Report


9️⃣ 2. Luvata

Headquarters: Espoo, Finland
Key Offering: OFHC® Copper, specialty copper and brass solutions

Luvata, now part of the Mutares portfolio, is a prominent global manufacturer of rolled, forged, and extruded copper products. Their Oxygen-Free High Conductivity (OFHC) copper is a benchmark in the industry for applications requiring thermal management and minimal electrical resistance.

Innovation and Quality Initiatives:

  • Global production footprint with advanced rolling and drawing facilities

  • Specialization in custom-shaped OFC for renewable energy and power generation


8️⃣ 3. KGHM Polska Miedź S.A.

Headquarters: Lubin, Poland
Key Offering: Cathode copper, OFC rods and wires

KGHM is one of the world’s largest producers of copper and silver, with extensive integrated mining and refining operations. The company produces high-quality oxygen-free copper cathodes that serve as the primary raw material for OFC wire mills and fabricators globally.

Innovation and Quality Initiatives:

  • Vertical integration from mine to high-purity metal

  • Investments in electrolytic refining to achieve superior purity levels


7️⃣ 4. NBM Metals

Headquarters: Cleveland, Ohio, USA
Key Offering: OF Copper Bar, Busbar, and Shapes

NBM Metals is a leading supplier of non-ferrous metals in North America, specializing in oxygen-free copper bar and busbar products. Their materials are essential for electrical grounding, power distribution, and high-current applications in industrial and commercial settings.

Innovation and Quality Initiatives:

  • Precision machining of OFC to custom specifications

  • Focus on supply chain reliability for critical infrastructure projects


6️⃣ 5. Farmer’s Copper Ltd.

Headquarters: Galveston, Texas, USA
Key Offering: C10100, C10200, C11000 Copper Mill Products

With over 70 years of experience, Farmer’s Copper is a premier supplier of industrial copper and brass. They stock a comprehensive range of oxygen-free copper in various forms, including sheet, plate, rod, and tube, serving diverse manufacturing sectors.

Innovation and Quality Initiatives:

  • Extensive inventory ensuring rapid delivery for OEMs

  • Technical support for material selection and application engineering

Download FREE Sample Report: Global Oxygen Free Copper (OFC) Market – View in Detailed Research Report


5️⃣ 6. Copper Braid Products

Headquarters: North Branford, Connecticut, USA
Key Offering: OFC Braids, Straps, and Conductors

As the name suggests, Copper Braid Products specializes in manufacturing braided copper Straps and flexible connectors from oxygen-free copper. Their products are critical for electrical grounding, lightning protection, and EMI/RFI shielding.

Innovation and Quality Initiatives:

  • Expertise in manufacturing highly flexible, high-strength OFC braids

  • Products designed to withstand thermal cycling and mechanical stress


4️⃣ 7. Watteredge

Headquarters: Cleveland, Ohio, USA
Key Offering: Custom OFC Bus Bars and Flexible Connectors

Watteredge is a manufacturer of custom-designed electrical conductors, with a strong focus on oxygen-free copper bus bars. They serve demanding industries like electric vehicle manufacturing, welding, and industrial power distribution.

Innovation and Quality Initiatives:

  • CAD/CAM design and precision fabrication for complex bus bar assemblies

  • Focus on reducing electrical losses and improving thermal performance


3️⃣ 8. Ningbo Jintian Copper Group

Headquarters: Ningbo, Zhejiang, China
Key Offering: Copper Cathodes, OFC Rods, Wires

Ningbo Jintian is one of China’s largest copper processing enterprises, producing a wide array of copper products, including oxygen-free copper. The company plays a vital role in supplying the massive Asian electronics and electrical equipment markets.

Innovation and Quality Initiatives:

  • Large-scale production capacity to meet high-volume demand

  • Investment in continuous casting technology for high-quality OFC rods


2️⃣ 9. Diehl Metall

Headquarters: Röthenbach a.d.Pegnitz, Germany
Key Offering: High-performance copper alloys, OFC strips

Diehl Metall is a German specialist in non-ferrous metals, producing sophisticated copper products for the automotive, electronics, and connector industries. Their oxygen-free copper strips are used in precision components where consistency and purity are paramount.

Innovation and Quality Initiatives:

  • Advanced strip rolling and surface treatment technologies

  • Strong focus on sustainability and closed-loop material cycles


1️⃣ 10. Aviva Metals

Headquarters: Houston, Texas, USA
Key Offering: C10100 OFC, C10200 OFE, C11000 ETP Copper

Aviva Metals is a leading manufacturer and supplier of copper and brass alloys in the United States. They produce oxygen-free copper in various forms, serving industries from architectural to high-tech electronics, with a commitment to quality and customer service.

Innovation and Quality Initiatives:

  • Domestic manufacturing ensuring supply chain security

  • Comprehensive testing and certification for all OFC products

Get Full Report Here: Global Oxygen Free Copper (OFC) Market – View in Detailed Research Report


🔬 Outlook: The Future of Oxygen Free Copper Is Driven by Electrification and Miniaturization

The oxygen-free copper market is evolving in response to global megatrends. While traditional applications in power transmission remain strong, new growth frontiers are emerging in green technology and advanced electronics, demanding even higher levels of purity and performance.

📈 Key Trends Shaping the Market:

  • Explosive demand from Electric Vehicle (EV) powertrains and charging infrastructure

  • Expansion of 5G/6G networks requiring high-frequency OFC cables and components

  • Growth in renewable energy systems (solar, wind) reliant on efficient electrical conductors

  • Advancements in semiconductor packaging and high-performance computing

Get Full Report Here: Global Oxygen Free Copper (OFC) Market – View in Detailed Research Report

The companies listed above are not only supplying a critical industrial material—they are providing the conductive backbone for the world’s transition to a more electrified and connected future.