All-Subject Research Institute Saga Co., Ltd.

In 1962, teachers from Fukuoka's prefectural schools organized All-Subject Research as a private research institution for learning guidance.

Established the All-Subject Research Association as a private research group and conducted test sessions for academic achievement surveys.

Established a branch in Kurume City.

Established a branch in Kitakyushu City.

Corporateized and established All-Subject Research Association Co., Ltd. in Fukuoka City.

Established Sunday Learning Co., Ltd. in Fukuoka City.

Established All-Subject Research Kurume Co., Ltd. and All-Subject Research Kitakyushu Co., Ltd.

Established All-Subject Research Fukuoka Co., Ltd. and All-Subject Research Saga Co., Ltd.

All-Subject Research Kurume Co., Ltd. absorbed seven affiliated companies and was renamed All-Subject Research Co., Ltd.

Relocated headquarters to Ootemmon, Chuo-ku, Fukuoka City.

Listed shares on the Fukuoka Stock Exchange.

Acquired all shares of Fukuryokan Co., Ltd. and made it a subsidiary.

Opened All-Subject Research Media Park Sūnan in Sūnan City.

Relocated headquarters to Araga, Saraya-ku, Fukuoka City.

Merged Fukuryokan Co., Ltd.

Relocated headquarters to Akasaka, Chuo-ku, Fukuoka City.

Entered a capital partnership with Gakken Juku Holdings Co., Ltd.

Established the Online Business Division.