Headquartered in Edmonton, Canada, the PCL family of companies is the country’s largest general contracting organization and the sixth largest in the US. The organization is active in the commercial, institutional, multi-family residential, heavy industrial and civil construction sectors. It began operations in 1906, as E.E. Poole Contractors, founded by Ernest Poole. In 1913, it became Poole Construction Company Ltd.. In 1932 it then relocated to its current corporate headquarters. In 1975 PCL opened its American head office in Colorado. Ernest Poole’s sons – John and George – sold the company to their employees in 1977 and following year Poole Construction Company Limited became PCL Construction Limited.