Skip to main content

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

Icon - Manager with checklist

Projects Completed

Over 3,000
Icon - Blueprints, building, protractor triangle, and pencil

Design/Build Projects

47
Icon - Man in hardhat in from of screen displaying globe

Projects Worldwide

50 States
8 Countries & US Territories
Icon - Man in hardhat behind computer and model building

Total Work Performed

Over $1.2 Billion