三菱地所
As of 2018, Mitsubishi Estate has the most valuable portfolio in the Japanese real estate industry, with a total value of approx. 7.4 trillion yen, much of which is located in the Marunouchi district of Tokyo. MEC owns Japan's second tallest building, the Yokohama Landmark Tower, as well as the Sanno Park Tower and Marunouchi Building in Tokyo. Mitsubishi Estate has its headquarters in the Otemachi Building in Ōtemachi, Chiyoda, Tokyo. It is one of the core Mitsubishi companies.