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Private company

Water and Sewage Section, Hakodate City Enterprise Department

It is part of Hakodate City Enterprise Department.1

函館市企業局上下水道部 (はこだてしきぎょうきょくじょうげすいどうぶ) は北海道函館市の公営企業である函館市企業局の、水道事業・温泉事業・下水道事業を行っている部局である。横浜についで日本で2番目に近代的水道事業を行ったとされているが、市来知（いちきしり、現・北海道三笠市）の空知集治監の囚人の手によるものが2番目との説がある。三笠市#観光の節も参照。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Corporate structure

Water and Sewage Section, Hakodate City Enterprise Department is part of a group headed by Hakodate City Enterprise Department. 3 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.

  1. 1
  2. 2