平凉市公路工程建设局始建于1975年，1996年经批准为公路工程二级施工资质的国有建筑企业，2002年新资质就位后，经批准为公路工程施工总承包三级资质，2005年9月审报批准为公路工程二级资质。主要承建省内外高速公路路基、一级标准以下公路和独立大桥的施工。在近30年的施工历 Pingliang City Highway Construction Bureau was founded in 1975, approved in 1996 for two highway construction qualification of state-owned construction enterprises, new qualification in place in 2002, approved the highway engineering construction general contracting three qualifications, 2005 September trial approved for highway engineering two qualifications. The main construction of the highway embankment inside and outside the province, a standard following highway and independent bridge construction. In the past 30 years of construction calendar