The Global Superconducting Cable-in-Conduit Conductors (CICC) Market was valued at USD 110 Million in 2025 and is projected to reach USD 264 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 13.5% during the forecast period (2025–2034). This robust growth is primarily driven by unprecedented global investment in nuclear fusion energy, the development of next-generation particle accelerators, and the expansion of advanced Superconducting Magnetic Energy Storage (SMES) systems.

As the world accelerates its pursuit of clean, limitless energy through projects like ITER and national fusion programs, the demand for the powerful magnet systems that enable these technologies is surging. At the heart of these systems are Superconducting Cable-in-Conduit Conductors (CICCs)—highly engineered components capable of carrying immense electrical currents without resistance. In this blog, we profile the Top 10 Companies in the Superconducting CICC Industry—specialized manufacturers and technology pioneers who are engineering the future of high-field magnets for science and energy.

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🔟 1. Bruker OST (Energy & Supercon Technologies)

Headquarters: Hanau, Germany
Key Offering: NbTi and Nb₃Sn CICCs, Custom Magnet Solutions

Bruker OST, a division of the Bruker Corporation, is a global leader in advanced superconducting materials and magnet systems. The company possesses deep expertise in the entire value chain, from producing high-performance superconducting strands to fabricating complex CICC configurations. It is a critical supplier for large-scale international projects, providing conductors that meet the extreme performance criteria for fusion reactor magnets and high-energy physics research.

Core Technological Initiatives:

• Pioneering advanced Nb₃Sn reaction heat treatment processes for superior current density

• Developing cryogenic stabilization techniques to enhance magnet reliability and quench protection

• Strategic partnerships with leading fusion research consortia and national laboratories worldwide

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9️⃣ 2. Furukawa Electric Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: NbTi CICCs, HTS-based Conductors, High-Purity Superconducting Wires

Furukawa Electric is a Japanese industrial conglomerate with a formidable presence in superconductivity. The company is renowned for its high-quality NbTi strands and its role in fabricating CICCs for major scientific installations. Furukawa’s technical prowess is instrumental in supporting Japan’s significant contributions to international fusion projects and domestic advanced research programs.

Core Technological Initiatives:

• Leading R&D in High-Temperature Superconductor (HTS) materials for next-generation CICC applications

• Investment in automated cabling and jacketing technologies to improve production efficiency and consistency

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8️⃣ 3. Tratos Group

Headquarters: Pieve Santo Stefano, Italy
Key Offering: Custom-Engineered CICCs, Cryogenic Cables, Specialty Conduit Fabrication

Tratos Group is a European specialist in the development and manufacturing of advanced cables, including superconducting systems. The company has established itself as a key player in the CICC supply chain for fusion energy, leveraging its expertise in metallurgy and precision engineering to produce conductors that withstand the immense mechanical stresses within fusion magnets.

Core Technological Initiatives:

• Specialization in the complex jacketing process for CICCs using high-strength stainless steel and Incoloy alloys

• Active participation in European Union-funded research projects for DEMO and other future fusion reactors

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7️⃣ 4. Hitachi Metals, Ltd. (Formerly Hitachi Cables)

Headquarters: Tokyo, Japan
Key Offering: Nb₃Sn and NbTi Superconducting Wires, CICC Sub-components

Hitachi Metals boasts a long history of innovation in superconducting materials. While its cable division was integrated, the company remains a vital supplier of high-performance superconducting strands used in CICC fabrication. Its products are known for their high critical current density and mechanical robustness, making them a preferred choice for demanding applications in both fusion and accelerator magnets.

Core Technological Initiatives:

• Continuous improvement of Nb₃Sn strand performance through advanced bronze and internal tin process routes

• Development of high-RRR (Residual Resistivity Ratio) copper matrices for enhanced thermal and electrical stability

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6️⃣ 5. Sumitomo Electric Industries, Ltd.

Headquarters: Osaka, Japan
Key Offering: NbTi CICCs, High-Field Magnet Conductors, Bi-2223 HTS Tapes

Sumitomo Electric is a global leader in wiring and cable technology, with a strong focus on superconductivity. The company manufactures superconducting wires and has the capability to produce CICCs for specific applications. Sumitomo is also at the forefront of HTS tape development, which holds the potential to revolutionize future CICC designs for even higher magnetic fields.

Core Technological Initiatives:

• Extensive research into the application of HTS materials in CICC architectures for compact fusion devices

• Collaboration with research institutions to test and validate new conductor designs under realistic operational conditions

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5️⃣ 6. Nexans S.A.

Headquarters: Paris, France
Key Offering: Superconducting Cables, Magnet Coil Winding Services, Cryogenic Infrastructure

Nexans is a major global cable manufacturer with a dedicated superconductivity division. The company has been involved in several high-profile projects, contributing its expertise in large-scale cable production and system integration. Nexans plays a significant role in the European superconductivity ecosystem, particularly for projects requiring turnkey solutions that include the conductor and its associated cryogenic system.

Core Technological Initiatives:

• Focus on the industrialization of CICC production processes to improve scalability for future fusion power plants

• Development of integrated solutions that combine CICC manufacturing with coil winding and instrumentation

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4️⃣ 7. Prysmian Group

Headquarters: Milan, Italy
Key Offering: Energy Cables, Specialty Superconducting Conductors, Project Management

As the world’s largest cable manufacturer, Prysmian Group brings immense industrial capability to the superconductivity market. The company’s expertise in managing complex, large-scale cable projects is directly applicable to the production of CICCs for fusion reactors. Prysmian’s global footprint and sourcing power provide a strategic advantage in securing the specialized materials required for conductor fabrication.

Core Technological Initiatives:

• Leveraging core cable-laying and project management expertise for the logistics of massive CICC procurement campaigns

• Exploring opportunities to apply superconducting cable technology to the power grid and industrial applications

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3️⃣ 8. Criotec S.r.l.

Headquarters: Collegno, Italy
Key Offering: Precision CICC Jacketing, Cryogenic Components, Vacuum Vessel Systems

Criotec is a highly specialized Italian engineering company focused on cryogenics and advanced nuclear components. It has carved out a critical niche in the CICC market by specializing in the precise and demanding process of jacketing—inserting the superconducting cable into its structural conduit and ensuring a perfect bond. This capability is essential for the mechanical integrity of the final conductor.

Core Technological Initiatives:

• Development of proprietary compaction and welding techniques for leak-tight, high-strength CICC conduits

• Supply of integrated systems, including feeders and cryostats, for complete magnet system integration

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2️⃣ 9. JSC VNIIKP (All-Russian R&D Cable Institute)

Headquarters: Moscow, Russia
Key Offering: Nb₃Sn CICCs, Superconducting Wires for High-Energy Physics

JSC VNIIKP is a leading Russian research and production institute with a long-standing heritage in superconductivity. The institute has developed advanced CICC technologies and has been a key supplier for Russia’s contributions to international scientific projects. Its deep fundamental research in superconductor behavior under extreme conditions underpins its manufacturing capabilities.

Core Technological Initiatives:

• Research into the performance of superconductors under neutron irradiation relevant to fusion reactor environments

• Development of CICC designs optimized for the specific requirements of national fusion and research programs

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1️⃣ 10. Advanced Conductor Technologies (AdC)

Headquarters: Boulder, Colorado, USA
Key Offering: HTS CICC Designs, Conductor on Round Core (CORC®) Cables

Advanced Conductor Technologies is an innovative startup focused on disrupting the CICC market with its proprietary HTS-based technologies. The company’s CORC® cables represent a next-generation approach, offering higher operating temperatures and magnetic fields than traditional LTS conductors. AdC is positioned to supply the emerging market of compact fusion devices and advanced SMES systems.

Core Technological Initiatives:

• Commercialization of ReBCO HTS-based CICC designs that significantly reduce cryogenic cooling requirements

• Strategic partnerships with private fusion companies and government agencies to demonstrate CORC® cable performance in operational magnets

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🔬 Outlook: The Future of Superconducting CICC Technology Is High-Field and High-Temperature

The Superconducting CICC market is on the cusp of a major transformation. While current technologies centered on NbTi and Nb₃Sn are enabling today’s megaprojects, the industry’s future is being shaped by the transition to High-Temperature Superconductors and the industrialization of production for commercial fusion energy.

📈 Key Trends Shaping the Market:

• Accelerated R&D in HTS-CICC integration to enable more compact and efficient fusion reactors

• Increased automation in cabling and jacketing processes to enhance quality, reduce costs, and increase production throughput

• Growing focus on supply chain resilience and strategic stockpiling of critical superconducting materials like Niobium

• Expansion of CICC applications beyond pure science into industrial-grade magnetic separation and grid-scale energy storage

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Superconducting Cable-in-Conduit Conductors (CICC) Market – View in Detailed Research Report

The companies profiled above are not just manufacturing components; they are enabling the foundational technologies that could unlock unlimited clean energy and push the boundaries of human knowledge.