Inc. (New York, Aug. 21) -- There's a reason why more entrepreneurs are calling the Windy City home. Currently, Chicago hosts as many as 104 private companies on the Inc. 5000 (last year, it counted 95), landing second place on the list of Top Cities for Fast-Growing Companies. New tech talent comes from the U. of I., which graduates hundreds of engineers and computer scientists each year, and ranks as having the sixth-best engineering program nationwide.