Patrick O'Brien has been in the industry for 27 years.
Patrick has operated Dynamic Engineered Systems,a full-service engineering firm in O'Fallon, MO since 2003.
Our office provides engineering services in mechanical, electrical, and plumbing disciplines.
We also offer seismic engineering in mechanical, electrical, plumbing, life safety medical gas design, and fire protection.
Our services include complete engineering solutions to contractors. Some of our most recent projects have been for BJC, Shriners Hospital, Washington University, Gateway Arch Transportation System, O'Fallon Brewery, SSM Hospitals, Scott Air Force Base, and SIUE.
Our past experience makes our documentation constructible and accurate and our commitment to meeting deadlines results in satisfied repeat customers.