Warranty, Service & Maintenance

Nationwide On-call Maintenance Services
No one is as dedicated to service like Cornerstone! We understand certain security maintenance repairs require immediate attention. We offer a single-point of contact with our 24 hour hotline for all your emergency maintenance requests. Call 888-752-3228.


Find your nearest
maintenance service center:

Maintenance Contracts

You’ve made the initial investment. Maintaining your investment only benefits the life cycle of your facility. Cornerstone offers a thorough program of maintenance and repair contract services to maintain the condition of your correctional facility in a professional manner.

Budgets & Assessments

Lifecycle and Savings

Customized Maintenance & Support Services

Emergency Maintenance & Repair Services

Featured Projects

Click on the blocks below to learn more about each project.

Customer Training Programs

Cornerstone offers fully customizable training solutions to address the maintenance and repair needs and objectives of our clients. We offer in-house training twice a year and regional training periodically.
We can customize a maintenance program that bests meets the needs of your correctional facility and your budget restraints.

Upcoming Training Dates

Contact us for upcoming training dates and times.

Common Problems and Solutions

Cornerstone technicians are certified to service all major detention hardware brands and have the knowledge & experience to assist you with any of these common problems.


Jeff Paulik

Director – Business Development
Warranty & Service

Jay Matthews

Vice President of
Warranty & Service