Isao Hijikata

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.

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.

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.

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.

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.