Without a doubt, whether the metric is net margin or balance sheet, the most profitable construction companies are full service type, providing“design, engineering, project management, construction and procurement” in the heavy industrial and civil sectors. You can contact Foshan Multishades Group Co., Limited,Jinan United Perfect Building Materials Corporation,Jinan United Perfect Building Materials Corporation,Kejian Polymer Material(Shanghai) Co., Ltd.,Beijing Soho Building Materials Group Co. Ltd. via the red button for more infomation.