O' Fallon, Ill.

Mark Harrison

Mark Harrison

Office Manager
Email Mark
P: 618-632-0354
F: 618-632-0307

O' Fallon, Ill.

1075 Eastgate Drive
Suite 1
O'Fallon, IL 62269
P: 618-632-0354
F: 618-632-0307

Just as O'Fallon itself is an integral part of metropolitan St. Louis, the Burns & McDonnell office in O'Fallon is an integral part of our engineering presence in the St. Louis area and throughout downstate Illinois. From healthcare and laboratory facilities to aviation, infrastructure, environmental, construction and construction management, Burns & McDonnell-O'Fallon employee-owners are proud to serve their communities' needs.

Burns & McDonnell was recently named one of the top ten (#8, large employer category) 2011 Best Places to Work in Illinois.

BEHIND THE RANKINGS

Want to know what makes Burns & McDonnell a great place to work? Great Rated!, the organization behind the rankings used by Fortune magazine, shares details about what our people say and do that puts us on the list.

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RECOGNITION

Our clients are important to us, and we're proud to have earned PSMJ's Premier Award for Client Satisfaction for the fifth year in a row. 

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FORTUNE 100 Best Companies

Burns & McDonnell ranks 14th in FORTUNE's 2014 list of 100 Best Companies to Work For. This is the third year in a row the firm has made the list. FORTUNE and Time Inc. are not affiliated with, and do not endorse products or services of, Licensee.

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2012 COMPANY OF THE YEAR

Employee ownership is intrinsic to what makes Burns & McDonnell a great place to work. We're proud that the ESOP Association has named us the 2012 Employee-Owned Company of the Year.

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