Mitr Phol Sugar Corp is a privately owned group of companies, mainly owned by the Vongkusolkit family. As of 2014, Mitr Phol is ranked as the world's fifth largest sugar producer, and the largest producer in Asia. It is Thailand's largest sugar producer and the second largest in China through its joint venture company East Asia Sugar. In addition to Thailand and China, Mitr Phol has operations and investments in Lao PDR, Cambodia, and most recently Australia. Its key business units include sugar, wood substitute materials, and renewable energy.