Pratt
            & Whitney Canada (P&WC) is a world leader in aviation
            engines for business and regional jets as well as helicopters. 
            The company is a subsidiary of United Technologies.
            History
            1928:
            Canadian Pratt & Whitney Aircraft Company Ltd. is
            formed.  It functions as a service center for Pratt
            & Whitney engines built in the U.S.
            1951: A sudden demand for R-1340 Wasps
            leads to building a production plant in Canada.
            1957: United Aircraft Corp. (P&W's
            parent company) decideds to make P&WC United Aircraft's center
            for general aviation turbine engines.
            1958: Work begins on the PT6 turboprop.
            1975: United Aircraft changes its name to United
            Technologies.