How many highway companies are there in Henan?

Seven. According to the national expressway network, the expressway companies in Henan include Henan Expressway Development Co., Ltd., Zhongyuan Expressway, Hepu Expressway, Zheng Xin Expressway, Nanluo Expressway, Xupingnan Expressway and Guang Cai Expressway. Expressway, referred to as expressway for short, refers to the highway dedicated to high-speed driving of automobiles. Different countries and regions, different times and different scientific research and academic fields have different regulations.