CORNERSTONE IS THE LEADING SECURITY CONTRACTOR, MANUFACTURER, & SUPPLIER IN THE WORLD.

Cornerstone is the one-source, security solutions provider for design, construction, and maintenance.

Let us assist with every stage of your facility.

Our design process, product selection, scheduling, and budgeting lead to overall project costs savings for you!
We specialize in the design, manufacture, integration, and installation of institutional detention equipment and products for the jail and prison industries at the federal, state, county, private and local levels.
By managing the design and construction process for you, we can save you time and money.
We manufacture security locks, sliding devices, and door hardware designed to meet the demanding requirements of the correctional marketplace, as well as those of the government and commercial sector.
We are certified to service all major detention hardware brands and have the knowledge & experience to maintain your security electronics systems.
We are committed to finding ways to surpass our customers’ expectations by providing only quality products, furnishing accurate engineering drawings, and providing expert installation.

Cornerstone provides ongoing maintenance and support to extend the life and security of your facility.

We are certified to service all major detention hardware brands. Our maintenance service is unusual in that we provide our customers with regional service offices as well as an emergency contact telephone number for 24/7/365 support.

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1-888-752-3228

Warranty, Service
& Maintenance

Jail & Prison
Supplies

Find a Regional
Service Office

Emergency Phone
Number

Jail & Prison Construction

Cornerstone Construction specializes in the design, manufacturing, distribution and installation of institutional detention equipment and products. We understand detention facilities have unique requirements and complexities. We are committed to delivering safe, secure and functional products to our clients.

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Who We Work With

Pre-Construction Services

Jail & Prison Construction

Featured Projects

Security Electronics Integration

We offer after warranty, service and maintenance contracts.

We provide on-site, comprehensive operational and maintenance training of facility personnel.

Our project management staff is intensely involved through all stages of system development, from design fabrication, installation, troubleshooting, and commissioning and on through turnover and into warranty.

Learn more about security electronics integration