MB Financial, Inc. (MB Financial) is a financial holding company. The Company's segments include banking, leasing and mortgage banking. As of December 31, 2016, the Company's primary market was the Chicago metropolitan area, in which the Company operated 95 banking offices through its bank subsidiary, MB Financial Bank, N.A. (MB Financial Bank). Through MB Financial Bank, the Company offers a range of financial services to small and middle market businesses, and individuals in the markets that the Company serves. MB Financial Bank's subsidiaries include LaSalle Systems Leasing, Inc. (LaSalle), Celtic Leasing Corp. (Celtic) and MB Equipment Finance, LLC, (MB Equipment Finance). MB Financial Bank also has a majority owned subsidiary with operating activities, Cedar Hill Associates, LLC (Cedar Hill). The Company operates four primary lines of business within its banking segment: commercial banking, lease banking, retail banking and wealth management.