Chuo University (中央大学, Chūō Daigaku, lit. central university), commonly referred to as Chuo (中央) or Chu-Dai (中大), is a private flagship research university in Tokyo, Japan.

Rikkyo University (立教大学, Rikkyō daigaku), also known as Saint Paul's University, is a private university, in Ikebukuro, Tokyo, Japan.

Meiji University (明治大学, Meiji Daigaku), abbreviated as Meiji (明治) or Meidai (明大), is a private research university located in the heart of Tokyo, Chiyoda City, established in 1881.

Tokyo University of Science (東京理科大学, Tōkyō Rika Daigaku), formerly "Science University of Tokyo" or TUS

Sophia University, also known by its Japanese name 上智大学 (Jōchi Daigaku), is a private research university in Japan.

Keio University (慶應義塾大学, Keiō Gijuku Daigaku), abbreviated as Keio (慶應) or Keidai (慶大), is a private research university located in Minato, Tokyo, Japan.

Waseda University (早稲田大学, Waseda Daigaku), abbreviated as Sōdai (早大), is a private research university in Shinjuku, Tokyo, founded in 1882.