Mitsuru Ishida

WAREHOUSE Co., Ltd. offers leisure related services. Its operations are carried out through the following segments: Rental Business and Amusement Facilities Business. The Rental Business segment operates rental shops for digital versatile discs (DVD) and compact discs (CD) which open for twenty-four hours a day in Tokyo, Saitama and Chiba. The Amusement Facilities Business segment operates game centers in Tokyo, Saitama, Chiba and Kanagawa. The company was founded on June 5, 1979 and is headquartered in Tokyo, Japan.

OK Corp. engages in the management of discount supermarkets. Its products include general grocery items, rice, pastries, beverages, liquor, daily necessities, consumable goods, pet supplies, household sundries, stationery, pharmaceuticals, fresh and processed meats, fish and seafood, fruits and vegetables, ornamental plants, side dishes, snacks, and cleaning products. It also operates bakeries and supplies consumer electronics, household tools, hardware, and sporting goods. The company was founded by Susumu Iida in June 1958 and is headquartered in Yokohama, Japan.