ZENKENRO (All Construction Ministry Workers' Union)

All Japan Communications Workers Union (ZENTEI)

ZEN DENTSU (All Japan Telecommunications Workers' Union)

ZEN NIHON DOKEN IPPAN RODO KUMIAI (All Japan General Civil Engineering and Construction Workers Union)

ZENNIHON SHIMBUN RODO KUMIAI (All Japan Press Workers Union)

ZEN NORIN RODO KUMIAI (All Agriculture-Forestry Workers' Union)

ZEN NIPPON KINZOKU RODO KUMIAI (All Japan Metal Workers Union)

YMC Workers' Union

ZEN NIHON TSUUN RODO KUMIAI (All Japan Express Company Workers' Union)

ZENNIHON KOWAN RODO KUMIAI (All Japan Federation of Harbor Workers' Union)

ZEN NIHON ZOSEN RODO KUMIAI (All Japan Ship-Building Workers' Union)

Takara Mine Workers Union

Gimpo Theater Workers Union

ZEN NIPPON INSATSU RODO KUMIAI (All Japan Printing and Publishing Workers' Union)

ZEN NIPPON SOKO RODO KUMIAI DOMEI (All Japan Federation Warehouse Workers' Union)

Okajima Department Store Workers Union

Japan Express Company Workers Union

Kinoene Shoyu Workers Union - Chiba

Fuji Photographic Workers Union - Chiba

Broadcasting Corporation Workers Union - Tokyo-To

Construction Ministry - 7th Diet

KOKUTETSU RODO KUMIAI (National Railway Workers Union)

Japan Express Company - Niigata Port Workers Union

KOKUTETSU RODO KUMIAI (National Railway Workers' Union)

Construction Ministry Bills - 10th Diet