ABC Security is proud to have combined operations with Sentry Security. ABC Security is one of Chicago’s leading providers of engineered security system solutions to commercial and institutional customers. In addition to serving sophisticated institutional customers and local government entities, ABC Security provides security services to a limited group of elite executive residential customers.
Sentry Security has grown to become one of Chicago’s largest independent security companies. We help thousands of home and business customers fulfill their needs for effective security, asset protection and peace of mind. Sentry Security consistently receives high ratings from customers.