The access control integration market has four big players: General Electric, Honeywell, Tyco and United Technologies. The software-as-a-service phenomenon has also come to access control, thanks to Brivo, which offers access control via the browser. Brivo claims to save the typical company about 70 percent up front, at a $3,300 installation price point, versus around $10,000 for a server. CoreStreet Card-Connected system combines physical access and IT systems, and uses the employees’ smart cards to continually update access information.”]
Source: https://www.csoonline.com/article/2122911/proximity-access-cards.html