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

©2018-2019 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

Headquarters & Operations

Headquarters & Operations

Headquarters & Operations

International Firms

International Firms

International Firms

O'Fallon Fact: The City of O'Fallon is home to two monuments honoring the victims and first responders who perished in the terrorists attacks on New York City’s World Trade Center on September 11, 2001. The twisted steel, salvaged from the World Trade Center twin towers, was presented to O’Fallon by the City of New York in 2001.