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Security 50 represents the industry's leaders, highlighting their strengths in different product categories such as Video Surveillance, Access Control, Biometrics, Alarm (Intrusion Detection) and Multiple. It is a ranking of manufacturers, not including installation, distribution or resale income. As a leading trade publication and media platform with a global network, A&S is uniquely positioned to collect information from influential companies worldwide. After months of number crunching, researching and interviewing, we present this year's Security 50 ranking.

08'	07'	Company	Headquarters	Product Group	2008	2007	2007-2008
08'	07'	Company	Headquarters	Product Group	Total Revenue ($US Millions)		Revenue Growth
1	6	TAMRON	Japan	Video Surveillance	$619.5	$578.4	7.1%
2	7	VICTOR COMPANY OF JAPAN (JVC)	Japan	Video Surveillance	$581.3	$614.0	-5.3%
3	9	AIPHONE	Japan	Access Control	$377.9	$375.4	0.6%
4	10	POSDATA	Korea	Video Surveillance	$354.8	$328.3	8.1%
5	13	HIKVISION	China	Video Surveillance	$172.0	$102.1	68.5%
6	14	HITRON SYSTEMS	Korea	Video Surveillance	$143.9	$131.0	9.9%
7	16	AV TECH	Taiwan	Video Surveillance	$138.2	$129.0	7.1%
8	19	EVERFOCUS ELECTRONICS	Taiwan	Video Surveillance	$105.4	$75.3	40.0%
9	22	CHINA SECURITY& SURVEILLANCE TECHNOLOGY (CSST)	China	Multiple	$80.9	$12.8	530.9%
10	23	COMMAX	Korea	Video Surveillance	$80.8	$78.7	2.7%
11	24	YOKO TECHNOLOGY	Taiwan	Video Surveillance	$77.5	$71.9	7.8%
12	25	IDIS	Korea	Video Surveillance	$75.8	$69.3	9.5%
13	29	CNB TECHNOLOGY	Korea	Video Surveillance	$63.8	$54.7	16.6%
14	30	KOCOM	Korea	Multiple	$61.2	$57.3	6.8%
15	32	DAHUA TECHNOLOGY	China	Video Surveillance	$59.1	$44.5	32.7%
16	35	GEOVISION	Taiwan	Video Surveillance	$49.1	$38.5	27.7%
17	37	DYNACOLOR	Taiwan	Video Surveillance	$47.4	$36.3	30.7%
18	38	HI SHARP ELECTRONICS	Taiwan	Video Surveillance	$45.0	$43.6	3.4%
19	40	TAIWAN VIDEO SYSTEM	Taiwan	Video Surveillance	$41.5	$41.1	1.1%
20	41	VIVOTEK	Taiwan	Video Surveillance	$38.7	$35.0	10.5%
21	42	HUNT ELECTRONIC	Taiwan	Video Surveillance	$36.2	$31.6	14.7%
22	43	KODICOM	Korea	Video Surveillance	$35.9	$32.0	12.2%
23	46	EVERSPRING INDUSTRY	Taiwan	Alarm	$33.4	$36.1	-7.3%
24	47	HUVIRON	Korea	Video Surveillance	$29.9	$34.5	-13.3%
25	48	DALI TECHNOLOGY	China	Video Surveillance	$26.5	$22.2	19.2%