Hundure
Taiwan - 1989		 Access control
Impro Technologies
South Africa - 1987		 Access control
Unipos
Bulgaria - 1995		 Fire alarm
Teletek
Bulgaria - 1992		 Fire alarm
Kentec Electronics
England - 1989		 Fire alarm
System Sensor
1984		 Fire alarm
Optimus
Spain - 1945		 Sound systems
Ahuja
1940		 Sound systems
Paradox
1989		 Alarm systems
Kopos Kolin
Czech - 1996		 Structured cable system
Schneider Electric
Germany - 1836		 Structured cable system
ACNet
Poland		 Structured cable system
Ladox
1990		 Structured cable system
CNB
Korea - 1999		 Video surveillance
Vivotek
Taiwan - 2000		 Video surveillance
Hikvision
China - 2001		 Video surveillance
AV Tech
Taiwan - 2001		 Video surveillance
JVC
Japan - 1927		 Video surveillance