Showa Shell Sekiyu Kabushiki Kaisha (昭和シェル石油株式会社, Showa Shell Sekiyu Kabushiki Kaisha) is the base of Royal Dutch Shell group in Japan. It was formed by the merger of Showa Oil Company and Shell Sekiyu which was begun around 1876 in Yokohama by Samuel Samuel & Co, the predecessor of Shell Group today. Showa Shell Sekiyu provides oil and energy solution business in Japan and worldwide.