2540 Country Hills Rd. Suite #150 | Brea, California  U.S.A. 92821 | RMG@RMG-IT.COM  | Tel: 1-951-264-0850
DSX Access Systems
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33 Years of manufacturing a quality,  
reliable, access control system.

From just a few doors to thousands of  
doors all over the world. DSX is  
designed to be modular and will grow  
with your needs.
DoorKing Entry Systems

When it just has to be reliable!  
DoorKing makes quality entry  
systems for condominium and  
apartment buildings.
Phone (951) 264-0850 Ca. License 992663
Copyright © 2013 - 2022 Richard M. Greene Co. (RMG-IT) All rights reserved
Just about any card reader and any  
type of access card as well as  
hundreds of various accessories for a  
complete access control solution. All  
easily managed from a PC anywhere in  
the world using the internet.
UL approved  
Commercial grade.

Call for your free project estimate !
(951) 264-0850