Cornerstone Inc. is committed to finding ways to surpass our customers’ expectations by providing quality detention products.

We’re the number 1 jail and prison construction company for a reason. We are committed to finding ways to surpass our customers’ expectations by providing quality detention products, accurate engineering, and expert installation. We will always conduct our business with integrity and with awareness of our customers’ needs.

By the Numbers

PROJECTS COMPLETED

Over 3,000

DESIGN/BUILD PROJECTS

47

PROJECTS WORLDWIDE

50 States
8 Countries & US Territories

PROJECTS COMPLETED

Over $1.2 Billion