Headquarted: Chicago, Illinois
Chartered: 1882, as N.W. Harris & Co.
Past Names: N.W. Harris & Company, Harris Trust & Savings Bank, Chicago National Bank, First National Bank of Barrington, State Bank of St. Charles, First National Bank of Batavia, Libertyville Federal Savings Bank & Loan, Village Bank of Naples, Century Bank, First National Bank of Joliet, Lakeland Community Bank, New Lenox Savings Bank, First National Bank & Trust, Ozaukee Bank, Amcore, Harris Bank, M&I Banks, BMO Harris Bank
Website: http://www.bmo.com
 | A sign for the BMO Harris Bank branch in Shorewood, IL. (November, 2011) |
 | A sign for the BMO Harris Bank branch in Joliet, IL. (January, 2012) |
 | A sign for the BMO Harris Bank branch in Joliet, IL. (January, 2012) |
 | A sign for the BMO Harris Bank branch in Plano, IL. (January, 2012) |
 | A sign for the BMO Harris Bank branch in Matteson, IL. (January, 2012) |
 | A sign for the BMO Harris Bank branch in Lockport, IL. (March, 2012) |
 | A BMO Harris Bank branch in New Lenox, IL. (April, 2012) |
 | A sign for the BMO Harris Bank branch in Homer Glen, IL. (June, 2012) |
 | The sign for a BMO Harris Bank branch in Plainfield, IL. (October, 2012) |
 | The sign for a BMO Harris Bank branch in Plainfield, IL. (October, 2012) |
 | The sign for a BMO Harris Bank branch in Plainfield, IL. (October, 2012) |
 | A BMO Harris Bank in Oswego, IL. (January, 2013) |
 | A BMO Harris Bank in Aurora, IL. (February, 2013) |
 | A BMO Harris Bank in Montgomery, IL. (February, 2013) |
 | A BMO Harris Bank in Geneva, IL. (February, 2013) |
 | A BMO Harris Bank branch in Aurora, IL. (March, 2013) |
 | A BMO Harris Bank branch in Rockford, IL. (December, 2013) |
 | A BMO Harris Bank branch in Rockford, IL. (December, 2013) |
 | A BMO Harris Bank branch in Beloit, WI. (December, 2013) |
 | A BMO Harris Bank branch in Roscoe, IL. (December, 2013) |
 | A BMO Harris Bank branch in Hammond, IN. (June, 2014) |
 | A BMO Harris Bank branch in Chicago, IL. (June, 2014) |
 | A BMO Harris Bank branch in Chesterton, IN. (October, 2014) |
 | A BMO Harris Bank branch in Midlothian, IL. (April, 2015) |
 | A BMO Harris Bank branch in Hammond, IN. (April, 2015) |
 | A BMO Harris Bank in Milwaukee, WI. (July, 2015) |
 | A BMO Harris Bank in Greendale, WI. (July, 2015) |
 | A BMO Harris Bank branch in Channahon, IL. (August, 2015) |
 | A BMO Harris Bank in Oak Lawn, IL. (January, 2016) |
 | A BMO Harris Bank in Chicago, IL. (January, 2016) |
 | A BMO Harris Bank in Matteson, IL. (January, 2016) |
 | A BMO Harris Bank branch in La Grange, IL. (May, 2016) |
 | A BMO Harris Bank branch in Flossmoor, IL. (July, 2016) |
 | A BMO Harris Bank branch in Gary, IN. (September, 2016) |
 | A BMO Harris Bank branch in Crete, IL. (February, 2017) |
 | A BMO Harris Bank branch in Chicago Heights, IL. (February, 2017) |
 | A BMO Harris Bank branch in Munster, IN. (February, 2017) |
 | A BMO Harris Bank branch in Griffith, IN. (February, 2017) |
 | A BMO Harris Bank branch in Merrillville, IN. (February, 2017) |
 | A BMO Harris Bank branch in Schererville, IN. (June, 2017) |
 | A BMO Harris Bank branch in Frankfort, IL. (September, 2017) |
 | A BMO Harris Bank branch in Frankfort, IL. (September, 2017) |
 | A BMO Harris Bank branch in Westchester, IL. (May, 2018) |
 | A BMO Harris Bank branch in Joliet, IL. (June, 2018) |
 | A BMO Harris Bank branch in Manhattan, IL. (June, 2018) |
 | A BMO Harris Bank branch in Belleville, IL. (August, 2018) |
 | A BMO Harris Bank in Milwaukee, WI. (September 2018) |
 | A BMOHarris Bank branch in Frankfort, IL. (November, 2018) |
 | A BMOHarris Bank branch in Downers Grove, IL. (September, 2019) |
 | A BMOHarris Bank branch in Addison, IL. (September, 2019) |
 | A BMOHarris Bank branch in Carpentersville, IL. (September, 2019) |
 | A BMOHarris Bank branch in Roselle, IL. (October, 2019) |
 | A BMOHarris Bank branch in Roselle, IL. (October, 2019) |
 |  | A BMOHarris Bank branch in Joliet, IL. (January, 2020/September, 2023) |
 | A BMOHarris Bank branch in East Chicago, IN. (March, 2020) |
 | A BMOHarris Bank brach in Romeoville, IL. (August, 2020) |
 | A BMOHarris Bank branch in Valparaiso, IN. (August, 2020) |
 | A BMOHarris Bank branch in Valparaiso, IN. (August, 2020) |
 | A BMOHarris Bank branch in Homer Glen, IL. (January, 2021) |
 | A BMOHarris Bank branch in Calumet City, IL. (March, 2021) |
 | A BMOHarris Bank branch in Manitowoc, WI. (August, 2021) |
 | A BMOHarris Bank branch in Wheaton, IL. (December, 2021) |
 | A BMO Harris Bank branch in Lombard, IL. (January, 2022) |
 | A BMO Harris Bank branch in Woodridge, IL. (March, 2022) |
 | A BMO Harris Bank branch in Barrington, IL. (April, 2022) |
 | A BMO Harris Bank branch in Barrington, IL. (April, 2022) |
 | A BMO Harris Bank branch in Cary, IL. (April, 2022) |
 | A BMO Harris Bank branch in Fox River Grove, IL. (April, 2022) |
 | A BMO Harris Bank branch in Elmhurst, IL. (June, 2022) |
 | A BMO Harris Bank branch in St. Louis, MO. (June, 2022) |
 | A BMO Harris Bank branch in Chicago, IL. (June, 2022) |
 | A BMO Harris branch in Sunset Hills, MO. (August, 2022) |
 | A BMO Harris Bank branch in Portage, IN. (August, 2022) |
 | A BMO Harris branch in Huntley, IL. (September, 2022) |
 | A BMO Harris branch in Milwaukee, WI. (September, 2022) |
 | A BMO Harris branch in St. John, IN. (September, 2022) |
 | A BMO Harris branch in St. Louis, MO. (October, 2022) |
 | A BMO Harris branch in Niles, IL. (October, 2022) |
 | A BMO Harris Bank in Elk Grove Village, IL. (October, 2022) |
 | A BMO branch in Chicago, IL. (March, 2023) |
 | A BMO Harris branch in Ellisville, MO. (May, 2023) |
 | A BMO branch in Naperville, IL. (November, 2023) |
 | A BMO branch in Lisle, IL. (November, 2023) |
 | A BMO branch in Chicago, IL. (November, 2023) |
 | A BMO branch in Cicero, IL. (November, 2023) |
 | A BMO branch in Winnetka, IL. (March, 2024) |
 | A BMO branch in Highland Park, IL. (March, 2024) |
 | A BMO branch in Lake Forest, IL. (March, 2024) |
 | A BMO branch in Crown Point, IN. (March, 2024) |
 | A BMO branch in Glen Ellyn, IL. (March, 2024) |
 | A BMO branch in New Lenox, IL. (July, 2024) |
 | A BMO branch in Oak Creek, WI. (September, 2024) |
 | A BMO branch in Mequon, WI. (September, 2024) |
 | A BMO branch in Thiensville, WI. (September, 2024) |
 | A BMO branch in Brookfield, WI. (September, 2024) |
 | A BMO branch in Marion, IA. (September, 2024) |
 | A BMO branch in St. Charles, IL. (September, 2024) |
 | A BMO branch in Marengo, IL. (September, 2024) |
 | A BMO branch in Dodgeville, WI. (October, 2024) |
 | A BMO branch in Marshfield, WI. (September, 2024) |
 | A BMO branch in Plover, WI. (September, 2024) |
 | A BMO branch in Wautoma, WI. (September, 2024) |
 | A BMO branch in Orland Park, IL. (February, 2025) |
 | A BMO branch in Orland Park, IL. (March, 2025) |
 | A BMO branch in Des Pres, MO. (March, 2025) |
 | A BMO branch in Darien, IL. (May, 2025) |
 | A BMO branch in West Bend, WI. (July, 2025) |
 | A BMO branch in Chilton, WI. (July, 2025) |
 | A BMO branch in Green Bay, WI. (July, 2025) |
 | A BMO branch in Janesville, WI. (September, 2025) |