• Connecting Today to Tomorrow.

    From connectors to data center designs, we're honored to be a part of many infrastructure teams across the world. Let's talk about how we can make your data center and enterprise network ready for the future.
  • Fusion Splicing & Connectivity

    Fusion Splicing & Connectivity

    Experience Sumitomo's fusion splicing - a leader in the fiber optics industry.

    Sumitomo Electric is the recognized leader in the development of the highest quality fusion splicing equipment and accessories. Our global resources in research and development allow us to continue to listen to our customers’ needs and respond to them quickly.

  • Data Center Solutions

    Data Center Solutions

    4th Level Products Guide

    Sumitomo’s 4th Level® Data Center and Enterprise Network Solutions simplify configurations by offering the latest and most advanced optical fiber technologies in an end-to-end system — enabling unprecedented, flexible, affordable, real-time and on-site infrastructure design.

  • FutureFLEX®


    Air-Blown Fiber® Network Solutions

    It’s a revolutionary fiber pathway - replacing conduit & innerduct - for virtually unlimited fiber bandwidth and pathway capacity. It’s the solution for filled conduit and duct banks.

  • EPON Solutions

    EPON Solutions

    As a pioneer in PON technology, our products bring an extensive background of experience and expertise to you in the design and manufacturing of only the highest quality EPON equipment.

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