Sumitomo Electric Industries → Arista Networks
Yes, wafergraph tracks Sumitomo Electric Industries as a supplier of Arista Networks, as of 2026-10-09. Arista Networks sources from 23 tracked suppliers in this dataset; Sumitomo Electric Industries has only 3 tracked customers in this dataset. Demand-side concentration is high.
Data as of 2026-10-09 · 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 Arista Networks (leader in AI & Data Center). Optical fiber, compound-semiconductor devices, and EV power modules. High-speed data-center switching for AI back-end networks. The edge is one of 23 tracked suppliers of Arista Networks 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.
Arista Networks (customer)
High-speed data-center switching for AI back-end networks.
Other tracked suppliers of Arista Networks
Other tracked customers of Sumitomo Electric Industries
Frequently asked questions2
- How many suppliers does Arista Networks have?
- The dataset records 23 tracked suppliers for Arista Networks.
- How many customers does Sumitomo Electric Industries have?
- The dataset records 3 tracked customers for Sumitomo Electric Industries.
Cite as: wafergraph, “Sumitomo Electric Industries → Arista Networks — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/sumitomo_electric/arista/ (data as of 2026-10-09).
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