Pratt & Whitney, a United Technologies Corp. company (NYSE:UTX), is a world leader in the design, manufacture and service of aircraft engines, industrial gas turbines and space propulsion systems. Pratt & Whitney reported an operating pro?t of $2.0 billion in 2007 on revenues of $12.1 billion. The company's 38,577 employees support more than 9,000 customers in 180 countries around the world. Pratt & Whitney was founded in Hartford, Conn., in 1925 by Frederick Rentschler. Pratt & Whitney's ?rst aircraft engine was the 410-horsepower, aircooled Wasp, which delivered unprecedented performance and reliability for the time and transformed the aviation industry. Pratt & Whitney has been leading change ever since. Pratt & Whitney Canada has produced more than 60,000 engines which power corporate jets, regional aircraft and helicopters around the globe.