Ayumi Doi

Tokyo Broadcasting System Television, Inc. engages in general broadcasting services. It operates through the following divisions: Television and Radio Broadcasting; Real Estate, and Other. The Television and Radio Broadcasting division deals with television and radio programme production and sales. The Real Estate division leases land and buildings. The Other division includes multi media ventures, and cinemas, videos, theatres, and music operations. the company is headquartered in Tokyo, Japan.

Sumitomo Mitsui Banking Corp. engages in the provision of financial services centered on banking. It operates through the following business segments: Wholesale, Retail, International, Market Sales, and Headquarters Management. The Wholesale segment covers business for customers of large and medium-sized companies in Japan. The Retail segment handles business for domestic individuals and SME customers. The International segment comprises of business for overseas Japanese and non-Japanese companies. The Market Sales segment corresponds to financial market business. The Headquarters Management segment includes all other businesses not covered by other segments. The company was founded in April 2001 and is headquartered in Tokyo, Japan.

Youdec Co., Ltd. offers teaching materials and simulation test software. It also provides educational information and school consulting services. The company was founded on October 20, 1987 and is headquartered in Osaka, Japan.

Part of Meiko Network Japan Co., Ltd., Waseda EDU KK is a Japanese company that owns and operates language schools. The private company is based in Tokyo, Japan. Waseda EDU KK was acquired by Meiko Network Japan Co., Ltd. on October 30, 2014.

Kotoh & Co. develops educational materials for high school students. It offers assessment and college entrance examination, educational software, and information technology learning system. The company was founded in August 1980 and is headquartered in Tokyo, Japan.