About Us

Ehrhardt Automation is an industry leader supplying state of the art automated systems, robot integration and special machines.


Founded in 1937, Ehrhardt Automation Systems has an 80 year history of providing superior solutions & applications to various markets.  Supported by an exceptionally talented team of experts with hundreds of years of combined experience in mechanical and controls engineering, project management and long tenured, skilled craftsmanship, Ehrhardt is uniquely positioned to tackle the most challenging customer projects; delivering premium quality, competitive costs, superb delivery and outstanding sustainability for a variety of requirements.



While Ehrhardt can provide exceptional value to almost any market or industry, our high value products and services are commonly used in: 

ehrhardt buildiing



st louis

We occupy two modern manufacturing facilities purposely built to support the needs of our clients.  Our primary location is a fully air-conditioned 89,500 square foot facility that houses our corporate offices, commercial, technical and manufacturing functions. Additionally, we have a 20,000 square foot facility dedicated to the assembly, test and run-off of special machines and automated equipment. 

Conveniently located in Granite City, IL, our facilities are 15 minutes from downtown St. Louis and only 30 minutes from Lambert St. Louis International Airport.