Yasuko Maruo

Nippon Telegraph & Telephone East Corp. provides regional telecommunications services. It offers telephone service applications and changes, billings and payment solutions, discount options, optional services, Internet services, wireless communication network services and business network. The company was founded on July 1, 1999 and is headquartered in Tokyo, Japan.

Part of Nippon Telegraph & Telephone Corp., NTT-ME Corp. is a Japanese network general engineering company that develops, operates, and monitors NTT Group's network. The company is based in Tokyo, Japan. Additionally, they provide corporate support business services and solutions.

MIRAIT Corp. provides telecommunication engineering services. It offers ICT (Information and Communications Technology) solutions, social innovation, mobile networks, communications infrastructure, global and structured cabling systems. The company was founded on December 21, 1944 and is headquartered in Tokyo, Japan.