Who We Are

About Horner & Shifrin

We are a multidisciplinary professional services firm with offices in St. Louis, O'Fallon, and Poplar Bluff, Missouri, and Chicago and O’Fallon, Illinois.

Horner & Shifrin is a multidisciplinary professional services firm based in St. Louis, with offices in O’Fallon and Poplar Bluff, Missouri, and Chicago and O’Fallon, Illinois. We offer engineering services in all phases of a project, including design, feasibility, planning, development, and construction administration. In addition to engineering, our in-house capabilities include materials testing, land surveying, GIS mapping and hosting.

Our Awards

Award-Winning Innovation

Through nearly a century of engineering innovation, Horner & Shifrin has received awards and recognition on a variety of projects at the local, state and national levels.  These achievements are a testament to the talent and skill of our expert employees, as well as our dedication to excellence in project delivery.

See Our Awards
Innovation. Agility.
Reliability. Horner & Shifrin.