東急東横線
Toei's predecessor, the , was incorporated in 1938. It was founded by Keita Goto, CEO of , the direct predecessor to the Tokyu Corporation. It had erected its facilities immediately east of the Tōkyū Tōyoko Line; they managed the Tōkyū Shibuya Yokohama studio system prior to V-J Day. From 1945 through the Toei merger, Tokyo-Yokohama Films leased from the Daiei Motion Picture Company a second studio in Kyoto.