公益社団法人日本水道協会【JWWA】 | OpenBizGraph

Company name

公益社団法人日本水道協会【JWWA】

Website

http://www.jwwa.jp/

Start date

End date

Ticker

Listed market

Country

Japan

Business activities

Head office

Chief executive

Capital

Employees (non-consolidated)

Employees (consolidated)

Related companies

Company name

Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder

Relationship graph

News

+ Loaded when opened

National Tax Agency basic information

Data sources

http://www.jwwa.jp/houkokusyo/

News pages

Own domain

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Last updated

2026-09-21 18:20 (Model: gpt-oss-20b(99) )