Sumitomo Electric Industries → Cisco Systems
As of 2026-09-05, Sumitomo Electric Industries is a tracked supplier of Cisco Systems. Sumitomo Electric Industries is a major in Distribution & Misc (headquartered in Japan); Cisco Systems is a major in AI & Data Center (headquartered in United States). Sumitomo Electric Industries has 3 tracked customers; Cisco Systems has 22 tracked suppliers.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Sumitomo Electric Industries (major in Distribution & Misc) is a tracked supplier of Cisco Systems (major in AI & Data Center). Optical fiber, compound-semiconductor devices, and EV power modules. Networking giant supplying AI data-center switching and silicon. The edge is one of 22 tracked suppliers of Cisco Systems and one of 3 tracked customers of Sumitomo Electric Industries.
Source: derived from both company records and the counted edges.
Concentration / risk note
Sumitomo Electric Industries has only 3 tracked customers in this dataset. Demand-side concentration is high.
Basis: few customers. Omitted on edges where the graph does not back a concentration claim.
The two companies
Sumitomo Electric Industries (supplier)
Optical fiber, compound-semiconductor devices, and EV power modules.
Cisco Systems (customer)
Networking giant supplying AI data-center switching and silicon.
Other tracked suppliers of Cisco Systems
Other tracked customers of Sumitomo Electric Industries
Cite as: wafergraph, “Sumitomo Electric Industries → Cisco Systems — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/sumitomo_electric/cisco/ (data as of 2026-09-05).
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