Liberty Media Corporation holds the interests of its subsidiaries and other companies engaged in the media, communications and entertainment industries. Through the company's subsidiaries and branches, the company mainly operates the North American market business. The company's main business assets include the company's joint subsidiaries Starz liability Co., Ltd., Atlanta National League Baseball Club Co., Ltd., TruePosition Co., Ltd., and the company's equity subsidiaries Sirius XM Radio Co., Ltd. And Live Nation Entertainment Co., Ltd.