The Physical Security Interoperability Alliance is a global consortium of over 70 physical security manufacturers and system integrators focused on promoting interoperability of IP-enabled security devices across all segments of the security industry. Participating companies include Allegion, AMAG Technology, Assa Abloy, Convergint, EyeLock, HID Global, Honeywell, Idemia, Johnson Controls, Kastle Systems, Lenel/S2, Mercury Security, Microsoft, Princeton Identity, RightCrowd, Siemens, and Tech Systems.
