Tokyo Tech has three campuses, the Ōokayama campus in Ōokayama Meguro as the main campus, Tamachi campus in Shibaura Minato and the Suzukakedai campus, located in Nagatsuta, Midori-ku in Yokohama.
Tozen has a number of local unions at different workplaces, including: The Japan Times, Linguaphone, Philippine National Bank, Syndicat des Employés de l’Institut franco-japonais, Lyceé franco-japonais, Sophia University, Gaba, Japan College of Foreign Languages, Shibaura Institute of Technology, and Simul Academy.
A shuttle bus for Toshiba employees at runs in a loop between Asano, Shin-Shibaura, and Umi-Shibaura stations on a schedule alternating with Tsurumi Line trains.