EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY Mid Am, Inc. Bowling Green, Ohio A. Bank Subsidiaries 1. Mid American National Bank and Trust Company Bowling Green, Ohio Mid Am, Inc. owns 100 percent a. Mid-Am Financial Services, Inc. Bowling Green, Ohio Mid American National Bank owns 100 percent 1. NB5 Financial Services Dublin, Ohio Mid-Am Financial Services, Inc. owns 20 percent 2. First National Bank Northwest Ohio Bryan, Ohio Mid Am, Inc. owns 100 percent a. Defiance Financial Corp. Defiance, Ohio First National Bank Northwest Ohio owns 100 percent 1. HS&L Financial Agency, Inc. Defiance, Ohio Defiance Financial Corp. owns 100 percent 3. American Community Bank, National Association Lima, Ohio Mid Am, Inc. owns 100 percent 4. AmeriFirst Bank, National Association Xenia, Ohio Mid Am, Inc. owns 100 percent 5. Adrian State Bank Adrian, Michigan Mid Am, Inc. owns 100 percent a. MFI Holding Company Bryan, Ohio Adrian State Bank owns 100 percent 1. MFI Insurance Agency, Inc. Bryan, Ohio MFI Holding Company owns 100 percent b. MFI Investments Corp. Bryan, Ohio Adrian State Bank owns 100 percent B. Other Bank Holding Company 1. Mid Am of Michigan Grand Rapids, Michigan Mid Am, Inc. owns 100 percent C. Non-Bank Subsidiaries 1. Mid Am Information Services, Inc. Bowling Green, Ohio Mid Am, Inc. owns 100 percent 2. International Credit Service Toledo, Ohio Mid Am, Inc. owns 100 percent 3. CCB Services, Inc. St. Petersburg, Florida Mid Am, Inc. owns 100 percent