All Japan Communications Workers Union (ZENTEI)

ZEN DENTSU (All Japan Telecommunications Workers' Union)

ZENNIHON SHIMBUN RODO KUMIAI (All Japan Press Workers Union)

ZENKENRO (All Construction Ministry Workers' Union)

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

ZENKOKU TEISHIN JYUGYOIN KUMIAI (National Communications 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)

Japan Express Company 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)

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

Japan Express Company - Niigata Port Workers Union

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

YMC Workers' Union

Takara Mine Workers Union

Gimpo Theater Workers Union

SHITETSU RODO KUMIAI (Japan Federation of Private Railway Workers' Union)

Okajima Department Store Workers Union

Kinoene Shoyu Workers Union - Chiba

Fuji Photographic Workers Union - Chiba

Zen Koren (All Japan Federation of Metal Mine Workers' Unions)

Broadcasting Corporation Workers Union - Tokyo-To

KOKUTETSU RODO KUMIAI (National Railway Workers Union)