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100 North Main Street
O'Fallon, MO 63366
Phone: 636-379-5532
Email: econdev@ofallon.mo.us

©2018 City of O'Fallon, Missouri
 

Major Employers

As testament to O’Fallon’s economic vigor, large corporations like Citi and Mastercard International recognize the City of O’Fallon as a great place to call home. O’Fallon considers its businesses, both large and small, and the employees that serve them to be partners in maintaining the City as one of the nation’s best and most attractive places to do business.
Largest Employers

Largest Employers

Largest Employers

Manufacturing Firms

Manufacturing Firms

Manufacturing Firms

International Firms

International Firms

International Firms

O'Fallon Fact: German immigrant Nicholas Krekel was O'Fallon's first resident and first retailer in 1856, and in 1857, the first postmaster and first railroad agent, as well. He operated his store out of his house, the first home built in O'Fallon, Missouri.