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Private company

栗東積水工業

栗東積水工業 is a Japanese company, part of Sekisui Chemical.1

西日本積水工業株式会社（にしにほんせきすいこうぎょう）は滋賀県栗東市に本社を置く企業。積水化学工業の子会社。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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SEKISUI CHEMICAL RITTO
Photo: 運動会プロテインパワー, CC BY-SA 4.0, via Wikimedia Commons3

Corporate structure

栗東積水工業 is part of a group headed by Sekisui Chemical. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

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