That's why we use equipment only from selected manufacturers who have proven the reliability and high level of performance efficiency of their systems time and time again over the years. Then to ensure each system works to its peak capabilities we deliver the installation and service through our own team of trained, certified professional A.B. Wass Security Specialists. Today, A.B. Wass is a leading supplier of security alarm services in Ontario and the choice of discriminating home and business owners who value our expertise, dedication to service and our high level of standards. Count on A.B. Wass to deliver the of security protection that will meet your individual needs.