Sumitomo Electric Industries competitors

As of 2026-09-05, Sumitomo Electric Industries's closest competitors in Photonics & Optics are InnoLight Technology, Corning Incorporated and Hamamatsu Photonics. wafergraph tracks 24 companies in Photonics & Optics; Sumitomo Electric Industries is positioned as a market major there with a market cap of $42.6B, and the largest competitor by market cap is InnoLight Technology at $141.9B.

Data as of 2026-09-05 · peers = companies sharing Sumitomo Electric Industries's primary Photonics & Optics segment in the wafergraph taxonomy · ordered by market position, then market cap

Who competes with Sumitomo Electric Industries

Suppliers Sumitomo Electric Industries shares with its competitors

  • Broadcom shared with 9 of Sumitomo Electric Industries's top competitors
  • Coherent shared with 8 of Sumitomo Electric Industries's top competitors
  • Lumentum Holdings shared with 8 of Sumitomo Electric Industries's top competitors

A supplier shared across rivals is a segment-level chokepoint: if it fails, the whole peer group feels it at once.

Customers Sumitomo Electric Industries shares with its competitors

  • NVIDIA shared with 9 of Sumitomo Electric Industries's top competitors
  • Arista Networks shared with 9 of Sumitomo Electric Industries's top competitors
  • Cisco Systems shared with 9 of Sumitomo Electric Industries's top competitors

Cite as: wafergraph, “Sumitomo Electric Industries competitors — 23 rivals in Photonics & Optics, compared”, https://wafergraph.com/competitors/sumitomo_electric (data as of 2026-09-05).

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