Proprietary Control System Corporation (PCSC), www.1pcsc.com,  produces state of the art equipment.  This manufacturer is on the leading edge of technology in this industry.  The controllers are expandable to 10 and 12 doors from a single controller, the system will accommodate thousands of doors.  The controllers can be run on the existing corporate network backbone.  The software is user friendly, and runs on Windows 95, 98, and NT platforms.  

 

PCSC systems are ideal for large growing companies.