Symmetry is a flexible, cost effective Access Control System and is the perfect choice for organizations of any size. With Symmetry you can easily start small - with a security system to keep your people and assets safe and secure. Then you can let your access control system grow with your organization because there are no limits to the size of a Symmetry system. Symmetry can scale seamlessly to meet the needs of the world's largest multi-national corporations and government agencies. Symmetry is the world's most widely used access control system with over 30,000 systems in over 90 countries - and millions of users every day.