The Global Insulated Cable and Wire Market was valued at USD 189.3 Billion in 2024 and is projected to reach USD 258.7 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024–2030). This expansion is fueled by surging demand for electricity, rapid urbanization, large-scale infrastructure projects, and the global push for renewable energy integration and grid modernization.

As the world becomes increasingly electrified and digitally connected, the role of high-performance insulated cables and wires is more critical than ever. These components form the backbone of power transmission, telecommunications, and industrial automation. In this blog, we profile the Top 10 Companies in the Insulated Cable and Wire Industry—a group of global manufacturers and innovators ensuring safe, efficient, and reliable energy and data flow worldwide.

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🔟 1. Nexans S.A.

Headquarters: Paris, France
Key Offering: High-Voltage & Submarine Cables, Building Cables, LAN Cables

Nexans is a global leader in the cable industry, providing an extensive portfolio of advanced cable solutions for energy transmission and distribution. The company is a pioneer in submarine cable systems, connecting continents and enabling offshore wind farm integration. Their products are essential for utilities, construction, and telecommunications sectors.

Innovation and Sustainability Initiatives:

• Pioneering eco-design principles for reduced environmental impact

• Major investments in high-voltage direct current (HVDC) technology for long-distance power transmission

• Committed to carbon neutrality across its operations by 2030

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9️⃣ 2. Prysmian Group

Headquarters: Milan, Italy
Key Offering: Energy Cables, Telecom Cables, Special Cables for Industrial Applications

Prysmian Group holds the top spot as the world’s largest cable manufacturer. It operates in over 50 countries, delivering cutting-edge solutions for power grids, renewable energy projects, and ultra-high-speed data networks. The company is renowned for its technological expertise in optical fiber and superconducting cables.

Innovation and Sustainability Initiatives:

• Development of eco-sustainable cable compounds and recyclable materials

• Strategic focus on grid resiliency and digital infrastructure expansion

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8️⃣ 3. Sumitomo Electric Industries, Ltd.

Headquarters: Osaka, Japan
Key Offering: Power Cables, Optical Fiber Cables, Automotive Wires

Sumitomo Electric is a diversified global player with a formidable presence in the insulated wire and cable market. The company excels in manufacturing high-quality power cables for utility networks and sophisticated wiring harnesses for the automotive industry, supporting the transition to electric vehicles.

Innovation and Sustainability Initiatives:

• Advanced R&D in superconductivity and energy-efficient cables

• Focus on lightweight and high-durability materials for automotive applications

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7️⃣ 4. LS Cable & System

Headquarters: Anyang, South Korea
Key Offering: Extra High-Voltage Cables, Underground Transmission Cables, Magnet Wires

LS Cable & System is a major force in Asia’s cable market, known for its technological prowess in ultra-high-voltage (UHV) power transmission systems. The company supplies critical infrastructure for smart grids and is expanding its global footprint through significant international projects.

Innovation and Sustainability Initiatives:

• Leadership in eco-friendly, lead-free and halogen-free cable designs

• Active participation in global offshore wind and subsea interconnection projects

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Insulated Cable and Wire Market – View in Detailed Research Report

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6️⃣ 5. Furukawa Electric Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Optical Fiber Cables, Power Cables, Copper-based Telecom Cables

Furukawa Electric is a leading Japanese manufacturer with a strong legacy in both energy and communication cables. The company is a key supplier for Japan’s robust infrastructure and has a growing international presence, particularly in the Asia-Pacific region.

Innovation and Sustainability Initiatives:

• Development of innovative optical fiber technologies for 5G and beyond

• Initiatives for resource recycling and reducing the environmental footprint of production processes

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5️⃣ 6. Southwire Company, LLC

Headquarters: Carrollton, Georgia, USA
Key Offering: Building Wire, Utility Cable, Industrial Power Cables

Southwire is one of North America’s leading wire and cable producers, serving the construction, utility, and OEM markets. The company is known for its strong distribution network and commitment to quality, producing a wide array of copper and aluminum electrical building wire.

Innovation and Sustainability Initiatives:

• Significant investments in copper rod production and recycling facilities

• Company-wide commitment to sustainable operations and ethical sourcing of materials

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4️⃣ 7. Leoni AG

Headquarters: Nuremberg, Germany
Key Offering: Automotive Cabling Systems, Wiring Harnesses, Fiber Optics

Leoni AG is a global specialist in wiring systems, particularly for the automotive industry. The company provides complex cable and harness solutions that are integral to vehicle electrification, connectivity, and automation, working closely with major automobile manufacturers worldwide.

Innovation and Sustainability Initiatives:

• Focus on high-voltage cables for electric vehicles and data cables for autonomous driving

• Implementation of energy efficiency measures across its global production plants

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3️⃣ 8. Fujikura Ltd.

Headquarters: Tokyo, Japan
Key Offering: Optical Fiber Cables, Electronic Wires, Automotive Components

Fujikura is a technology-driven company renowned for its innovation in optical fiber and precision technologies. Its communication cables form the critical infrastructure for high-speed internet networks, while its electronic wires are used in various consumer and industrial applications.

Innovation and Sustainability Initiatives:

• World-leading expertise in fusion splicers and optical connectivity solutions

• Research into next-generation optical fibers with higher data capacity and lower signal loss

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2️⃣ 9. NKT A/S

Headquarters: Copenhagen, Denmark
Key Offering: High-Voltage Cables, Subsea Power Cables, AC/DC Cable Systems

NKT is a key European player specializing in high-voltage power cable solutions, with a strong focus on supporting the energy transition. The company is a trusted partner for connecting offshore wind farms to the mainland and for interconnecting national power grids.

Innovation and Sustainability Initiatives:

• Development of recyclable high-voltage cable designs using thermoplastic materials

• Strategic goal to use 100% renewable electricity in its manufacturing processes

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1️⃣ 10. Elsewedy Electric

Headquarters: Cairo, Egypt
Key Offering: Low & Medium Voltage Cables, Overhead Conductors, Enamelled Wires

Elsewedy Electric has grown from a regional Egyptian manufacturer into a multinational conglomerate with a significant global presence in the cable market. The company supplies a comprehensive range of cables for infrastructure development across Africa, the Middle East, and Europe.

Innovation and Sustainability Initiatives:

• Rapid expansion of manufacturing capacity to meet growing demand in emerging markets

• Investment in smart grid solutions and integrated energy projects

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Insulated Cable and Wire Market – View in Detailed Research Report

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🌍 Outlook: The Future of Insulated Cables and Wires Is Smarter and More Sustainable

The insulated cable and wire market is undergoing a profound transformation. While traditional power and telecom cables continue to see strong demand, the industry is rapidly evolving toward smart grid integration, high-performance materials, and circular economy principles.

📈 Key Trends Shaping the Market:

• Accelerated deployment of HVDC and submarine cables for renewable energy projects

• Rising demand for fire-resistant and low-smoke zero-halogen (LSZH) cables for enhanced safety in buildings and public spaces

• Integration of smart sensors and monitoring capabilities directly into power cables for predictive grid maintenance

• Increased use of lightweight and high-temperature resistant materials in automotive and aerospace applications

Get Full Report Here:
Insulated Cable and Wire Market – View in Detailed Research Report

The companies featured above are not just manufacturing cables—they are enabling the global energy transition and building the digital infrastructure of the future.