Our Philosophy

"Relax. We're in Controls."

PO Box 21516, Lehigh Valley, PA 18002-1516
Phone: 610-691-6851 Fax: 610-866-1590 Email: cornerstonecontrols@yahoo.com

We care about our reputation, so we care about the job we do on your system. Your satisfaction is our livelihood.

We have a history of satisfied customers who know we are a company they can trust for a fair price, a job well done, and timely service.

Please feel free to request a list of references. We're proud of the work we do, and our customers are happy with the results.