Ōshū Corporation
[file:鴎州コーポレーション本社01.jpg|200px|thumb|right|head office]
Oshu Corporation is a for-profit company that manages cram schools based in Hiroshima Prefecture. Oshu Corporation is headquartered in Namikidōri, Naka-ku, Hiroshima.
Auckland International College, owned by Oshu Corporation, was established in 2003 in Auckland, New Zealand. The corporation permanently closed AIC due to difficulty attracting international students.