Similar to 堺市職員労働組合

All-Japan Seamen's Union

All Japan Water Supply Workers' Union

All Japan Shipbuilding and Engineering Union

Japan Agriculture and Forestry Ministry Workers' Unions

Japan Broadcasting Labour Union

General Federation of Private Railway and Bus Workers' Unions of Japan

Japan Federation of Newspaper Workers' Unions

Japan Coal Miners' Union

Japan Postal Workers' Union

Sakai

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OHSAS 18001

Zero Defects