These zaibatsu included Chugai Konzern Group, which was led by Yasusaburo HARA and developed its business in Korea; Fujiyama Konzern Group, which was mainly formed by Dai-Nippon Sugar Co., Ltd. and developed plantation and mining business on Okinawa and the Daito Islands; ISHIHARA SANGYO KAISHA, LTD., which developed businesses in mining, maritime industry and chemical operations based in Malaysia and Singapore, all of which grew by developing a variety of businesses, mainly in Korea and the south.
これらは原安三郎が率い朝鮮で事業を展開した中外コンツェルンや沖縄・大東諸島においてプランテーション・鉱山事業をおこなった大日本製糖を中心とした藤山コンツェルン、マレーシア・シンガポールを拠点として鉱山・海運・化学事業を手がけた石原産業など、おもに朝鮮や南方における諸事業を展開して成長した。