BMO Harris Bank - Hwy K & Laura Hill
101 Laura K Dr
O'Fallon, MO 63366
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About Marshall & Ilsley
Marshall & Ilsley, a diversified financial services company based in Wisconsin, provides comprehensive financial products and services and unparalleled customer service to personal, business, corporate and institutional customers nationwide.
M&I's customer-based approach, internal growth and strategic acquisitions have made M&I a nationally recognized leader in the financial services industry.
In addition to retail banking offices in Wisconsin, Arizona, Minnesota, Missouri, Kansas, Nevada, Florida, and Illinois, Marshall & Ilsley Corporation also provides trust and investment management, equipment leasing, mortgage banking, financial planning, investments, insurance services and data processing.