Cornerstone is the worldwide leader when it comes to furnishing and installing engineered detention products and services.

Cornerstone Construction is the leading provider of services and engineered detention products, furnished and installed, in the United States and around the World. We specialize in the manufacture, distribution and installation of institutional detention equipment and products for the jail and prison industries at the federal, state, county, private and local levels. In addition to our own products, we distribute and install other suppliers’ products and supplies. Cornerstone Detention can help with security hardware, high security glass, sliding doors and more equipment for correctional facilities.