About Schmitt Engineering
At Schmitt Engineering, we develop commercial and residential site plans, septic plans, and commercial and residential subdivisions. Our expertise covers the gamut of civil engineering and surveying projects.
Founded in 1996 by Al Schmitt, Schmitt Engineering develops commercial and residential site plans, septic plans, and commercial and residential subdivisions.
We are not only expert at producing quality drawings in a turnaround time that will keep your projects moving forward and on schedule, we excel at forging close relationships and strong communications with all of our clients, whether developers, general contractors, homebuilders, or individual home buyers.
No matter what the size of your company or project, your complete satisfaction is our biggest concern.
Thomas Mroz
Principal Engineer (PE)
Thomas joined Schmitt Engineering full time in 2019 after graduating from University of Wisconsin-Milwaukee with a BSE in civil engineering. He has five plus years of experience in septic designs and residential and commercial site plan design. Thomas lives in Crystal Lake and is currently licensed in Illinois.
Andrew Trocki
Senior Design Engineer
Andrew came to Schmitt Engineering in 2021 after starting his civil engineering career at Fehr Graham. He graduated from Bradley University in 2018 with a BS in civil engineering and currently lives in Woodstock.
Rhiannon Bryk
Design Engineer
Rhiannon hails from Kent, Ohio and joined Schmitt in 2025. She graduated from Smith College in Northamption, MA with a BS in Engineering. She is a licensed Engineer in Training (EIT) and currently resides in Woodstock.
Morgan Kennett
Office Manager
Morgan joined Schmitt Engineering in 2025 after graduating from the University of Iowa with a BBA in Management and a minor in Spanish. She is also a lifelong resident of Woodstock.


