Telecommunications companies based in Tokyo

is a Japanese multinational information and communications technology equipment and services corporation, established in 1935 and headquartered in Kawasaki, Kanagawa. It is the world's sixth-largest IT services provider by annual revenue, and it is the largest in Japan as of 2021.

Japanese company

Japanese telecommunications company

Japanese telecommunication company

is a Japanese telecommunications operator. It was established in 2000 through the merger of , a long-distance communications company; , Japan's former state-monopoly international telecommunications provider; and , a mobile network operator.

Japanese portal website

company

Mixi (stylized as mixi) is an online Japanese social networking service. It opened in 1999 and is owned by . As of September 2012, Mixi had about 14 million monthly active users, with about 8.6 million of those on smartphones. Mixi, Inc. was founded by Kenji Kasahara in 1999 as a limited liability company and became a Japanese corporation in 2000. The company changed its name to Mixi, Inc. from E-Mercury, Inc. in February 2006 to align its name with the social networking service, and was updated to MIXI, Inc. in 2022. Its headquarters are in Shibuya, Tokyo.

Japanese subsidiary of South Korean internet search giant Naver

is a Japanese company in the wireless communication industry.

Japanese company

Japanese electronics manufacturer

Japan Railways group information technology company

Japanese video game developer