CORNERSTONE IS THE LEADING DETENTION & 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.

plan construct control secure service supply
  • PLAN
    Our design process, product selection, scheduling, and budgeting lead to overall project costs savings for you!
  • CONSTRUCT
    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.
  • CONTROL
    By managing the design and construction process for you, we can save you time and money.
  • SECURE
    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.
  • SERVICE
    We are certified to service all major detention hardware brands and have the knowledge & experience to maintain your security electronics systems.
  • SUPPLY
    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.

Learn More

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.
Who We Work With

Who We Work With

Pre-Construction Services

Pre-Construction Services

Jail & Prison Construction

Jail & Prison Construction

Featured Projects

Featured Projects

Security Electronics Integration

We offer after warranty, service and maintenance contracts.
Security Electronics Integration
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.

The Cornerstone Family of Brands

Cornerstone Service & Supply
Limestone Building Group
Claborn Manufacturing
CM Security
C3
EO ISI
Com-Tec
Cornerstone Construction
Airteq
Cornerstone Institutional
Cornerstone Electronics
Trenteq
ECS

EMERGENCY SERVICE HOTLINE 888.752.3228

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Corporate Headquarters:
14000 Highway 20
Madison, AL 35756
(877) 374-7311

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