Mitsui Greenland Co., Ltd.. The group's principle activity is operating leisure facilities such as the Mitsui Greenland Amusement Park, three golf courses and the Mitsui Greenland Hotel. Amusement park operations accounted for 47% of 2001 revenues; golf course operations, 25%; hotel operations, 21%; real estate operations, 2% and other, 5%. Mitsui Mining Co., Ltd. is the major shareholder with 42.43% of issued stock.