P.F. Chang's China Bistro, Inc., through its subsidiaries, engages in the ownership and operation of restaurants in the United States. The company owns and operates two restaurant concepts, P.F. Chang's China Bistro and Pei Wei Asian Diner. As of January 2, 2011, it owned and operated 201 full service Bistro restaurants and 168 quick casual Pei Wei restaurants; and operated 7 Bistro restaurants in Mexico and the Middle East under development and licensing agreements. The company was founded in 1996 and is based in Scottsdale, Arizona.