H₂O Retailing Corporation (エイチ・ツー・オー リテイリング株式会社, Eichi Tsū Ō Riteiringu Kabushikigaisha) is a stock holding company which is a member company of Hankyu Hanshin Toho Group. This article covers about Hankyu Hanshin Department Stores, Inc. (株式会社阪急阪神百貨店, Kabushikigaisha Hankyū Hanshin Hyakkaten) a subsidiary which owns 2 department store chains: Hankyu Department Store and Hanshin Department Store.

• March 7, 1947: The department store business was separated from Keihanshin Kyuko Railway Company (present: Hankyu Hanshin Holdings, Inc.) and Hankyu Department Stores, Inc. was founded.
• October 1, 2007: "Hankyu Department Stores, Inc." subsidiarized "the Hanshin Department Store, Ltd." and was renamed "H₂O Retailing Corporation". The department store business was separated to the newly founded company, "Hankyu Department Stores, Inc."
• October 1, 2008: Hankyu Department Stores, Inc. consolidated the Hanshin Department Store, Ltd. and was renamed "Hankyu Hanshin Department Stores, Inc."

• Hankyu Hanshin Toho Group
  • H₂O Retailing Corporation
    • Hankyu Hanshin Department Stores, Inc.
      • Hankyu Department Store
      • Hanshin Department Store
  • Hankyu Railway
  • Hanshin Electric Railway

• H₂O Retailing Corporation(in English)
• Hankyu Hanshin Department Stores, Inc.(in Japanese)