This is the first office for the $260 million agency outside its Minneapolis headquarters.
Fallon has increased billings by more than $45 million since May, adding Black & Decker Corp.; Nikon; and Philips Consumer Electronics to its list of clients. Other major clients include Coca-Cola Co., Timex Corp., Lee Apparel Co. and Wenner Media.
The agency, founded in 1981, has more than 200 employees.
The address for the Chicago office is 333 Wacker Drive 60606. Phone: (312) 251-0822.