425 S. Woods Mill Road
Chesterfield, MO 63017
Burns & McDonnell serves the St. Louis metropolitan area from two offices: St. Louis and O'Fallon, Ill. More than 140 full-time professionals, all employee-owners, provide depth of experience with a focus on cost-effective, innovative solutions that make our clients successful.
Listed in the top 10 percent of U.S. engineering firms, Burns & McDonnell-St. Louis has served the metropolitan area's needs since 1989, delivering a wide range of projects from aviation to roads and bridges to cybersecurity, water and wastewater to labs and clean rooms, power generation, defense facilities and air quality improvements.
A 100 percent employee-owned firm, Burns & McDonnell fosters a continuity of client service that is a function of our commitment to proactive communication and low staff turnover.
The St. Louis Post-Dispatch recognizes what our employee-owners already knew: Burns & McDonnell is a great place to work! We're proud to be #10 in the small companies category!
Our clients are important to us, and we're proud to have earned PSMJ's Premier Award for Client Satisfaction for the fourth year in a row.