Koshi Koyama

The Yomiuri Shimbun Holdings oversees its group companies which engage mainly in newspaper publication. The company was founded on July 1, 2002 and 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.

Yomiuri Shimbun Tokyo Honsha KK engages in the publishing of newspapers. The company was founded on November 2, 1974 and is headquartered in Tokyo, Japan.

Part of The Yomiuri Shimbun Holdings, Yomiuri Support & Service Co., Ltd. is a Japanese company that offers comprehensive services such as construction and landscaping construction, maintenance of golf courses and lawn, building maintenance, and fresh flower sales. The company is based in Inagi, Japan. YSS has various divisions that handle landscaping, golf course courses, lawn management courses, construction, building maintenance, and leasing houseplants. The company also manages and operate the Tamakawa Park Ball Place Tamagawa Uene Course as a Kawasaki city designated manager. YSS contributes to the efficient management system of professional sports facilities and public parks.

Japan Post Co. Ltd. provides postal, banking counter, insurance counter operations, sales of documentary stamps, logistics, real estate and others. Its services include international mail and express mail, standard mail, parcels, domestic mail and postcard distribution. The firm also provides property and casualty insurance business, domestic and international logistics, real estate brokerage and merchandise sales. The company was founded on October 1, 2007 and is headquartered in Tokyo, Japan.

Independent Administrative Agency Community Health Care operates as an organization for pension and insured persons. The private company is based in Tokyo, Japan.

Part of The Yomiuri Shimbun Holdings, Yomiuri Shimbun Osaka Honsha KK is a company that provides printing and publishing services. The company is based in Osaka, Japan.

Nippon Television Network Corp. engages in general broadcasting business and media business. The company was founded on October 15, 1952 and is headquartered in Tokyo, Japan.