Hainan Water Conservancy and Electric Power Group Co., Ltd., Hainan Tourism Investment Holding Group Co., Ltd., Hainan International Resources (Group) Co., Ltd., Hainan Port Holding Co., Ltd., Hainan Development Holding Co., Ltd., Hainan Iron and Steel Co., Ltd., Hainan Salt Industry Corporation, Hainan Expressway Co., Ltd., Hainan Airlines Co., Ltd., Hainan Forestry Corporation, Hainan Construction Engineering Corporation, Hainan Huaying Investment Holding Co., Ltd., Hainan United Assets Management Company, Hainan Jincheng State-owned Assets Management Co., Ltd., Hainan Yangpu Development and Construction Holding Co., Ltd., Hainan Road and Bridge Investment and Construction Co., Ltd., Hainan Property Rights Exchange, Hainan Nanhai Modern Fishery Development Co., Ltd., Hainan Consulting and Investment Company, Hainan Automobile Transportation Corporation, Hainan Mining Union Co., Ltd., Hainan China Travel Agency, Hainan Cultural Investment Management Co., Ltd., Hainan Jinyuan Investment Holding Co., Ltd., Hainan Pang Long Industry Co., Ltd., Hainan Haining Economic Development Corporation, Haima Investment Group Co., Ltd., Hainan International Trust and Investment