Complex sentence: The company opened in 1951 in Montreal, Quebec, Canada and was named one of Canada's 50 best managed companies in 2011 by the National Post, Deloitte and CIBC.
Split into simpler sentences: The company opened in 1951 in Montreal, Quebec. That year, it was also named one of Canada's 50 best managed companies by the National Post, Deloitte and CIBC.