20. Mianyang Puming Construction Company, Santai Seventh Construction Company, Mianyang Fuan Construction Company, Mianyang Xingmian Construction Company, Mianyang Chen Dong Construction Company, Santai Jian 'an Company, Sichuan Sixth Construction Company, Sichuan Yongan Construction Company, jiangyou city Urban Construction Group Company, Mianyang Sixth Construction Company, Sichuan Twelfth Construction Company Mianyang Company, jiangyou city Guangtong Construction Company, Mianyang Fufeng Construction Company and Mianyang Hengdi. Jiangyou city Hongan Construction Company, Mianyang Education Construction Company, Mianyang Fuyuan Construction Company, Pingwu Fuyuan Construction Company, Mianyang Futai Construction Company and Yanting Second Construction Company.
I don't know the rest.