Yakuza groups based in Kyushu

The is a yakuza group headquartered in Kitakyushu, Fukuoka on the Kyushu island of Japan, with an estimated 200 active members. The Kudo-kai has been an independent syndicate since its foundation, and has caused numerous conflicts with the Yamaguchi-gumi, for example on eight occasions in 2000 at least one Yamaguchi-affiliate boss has been killed by the Kudo-kai.

The is a yakuza organization headquartered in Kurume, Fukuoka, on the Kyushu island of Japan, a designated yakuza syndicate, with approximately 310 members. As well as being known as a militant yakuza organization, the Dojin-kai has also been known as a de facto drug cartel, as its activities have allegedly included large-scale drug trafficking, specifically methamphetamine trafficking, which is traditionally shunned in the yakuza world.

thumb|right|upright|The Mon (emblem)|daimon of the Taishu-kai The is a yakuza organization based in Fukuoka Prefecture on the Kyushu island of Japan, with an estimated 70 active members.