China-Places.com has listed approx 115 companies in Haikou. Some of the Top rated companies in Haikou are- Hainan Meilan International Airport Company Limited, China Huarong Assets Management Company Haikou Office, Qizheng Plastic-Steel Windows and Doors Limited Company, Hannan State Farms Group Co.Ltd., Zhonghai Yonggui Huochang, 永兴镇砖瓦厂, Fengping Motorcycle Trading Co.Ltd., Haikou Free Trade Zone, Haikou National High-tech Industrial Developmental Zone & Sanmen Po Center Administration Of Power Supply Tanwen Business Management Station.