Broadcom → Sumitomo Electric Industries
As of 2026-09-05, Broadcom is a tracked supplier of Sumitomo Electric Industries. Broadcom is a leader in Design (Fabless) (headquartered in United States); Sumitomo Electric Industries is a major in Distribution & Misc (headquartered in Japan). Broadcom has 45 tracked customers; Sumitomo Electric Industries has 3 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
Broadcom (leader in Design (Fabless)) is a tracked supplier of Sumitomo Electric Industries (major in Distribution & Misc). Networking silicon leader and main designer of hyperscaler custom AI chips. Optical fiber, compound-semiconductor devices, and EV power modules. The edge is one of 3 tracked suppliers of Sumitomo Electric Industries and one of 45 tracked customers of Broadcom.
Source: derived from both company records and the counted edges.
Concentration / risk note
Broadcom is positioned as a leader in Design (Fabless), so this edge is harder to replace than a challenger or niche supplier. Sumitomo Electric Industries has only 3 tracked suppliers in this dataset. Concentration on the supplier side is high.
Basis: supplier position, few suppliers. Omitted on edges where the graph does not back a concentration claim.
The two companies
Broadcom (supplier)
Networking silicon leader and main designer of hyperscaler custom AI chips.
Sumitomo Electric Industries (customer)
Optical fiber, compound-semiconductor devices, and EV power modules.
Other tracked suppliers of Sumitomo Electric Industries
Other tracked customers of Broadcom
Cite as: wafergraph, “Broadcom → Sumitomo Electric Industries — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/broadcom/sumitomo_electric/ (data as of 2026-09-05).
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