The PCL family of companies is a group of independent general contracting construction companies. The organization has over 4,400 employees across the United States, Canada and Australia. The organization is active in the commercial, institutional, multi-family residential, renewable energy, heavy industrial, historical restoration, and civil construction sectors. The PCL family of companies has a United States head office in Denver, Colorado, and a North American headquarters in Edmonton, Alberta, Canada. PCL began operations in 1906, as E.E. Contractors, founded by Ernest Edward Poole (October 18, 1883 – March 12, 1964) of Stoughton, Saskatchewan. In 1913, Ernest Poole renamed the company to Poole Construction Company Limited. In 1932 the company was moved to its current corporate headquarters in Edmonton, Alberta. In 1975 PCL opened its U.S. head office in Denver, Colorado. Ernest Pooles sons, John Edward (1917-2007) and George Ernest (1921-1997), sold the company to their 25 employees and Great West Life in 1977. In 1978, Poole Construction Company Limited became PCL Construction Limited.