A
B
C
- Canon Hongkong Co. Ltd
- Certis Centurion Facility Co Ltd
- Charter Glory Corporation Ltd
- Checol Technology Ltd
- China Overseas Security Services Ltd
- China Unicom Hong Kong Operations Ltd
- Chubb Hong Kong Ltd
- Cititronic Engineering Co. Ltd
- Citybase Property Management Co. Ltd
- Clement Shield ( Security Specialist & Event Organiser) Ltd
- CNT Security Co. Ltd
- Crescent Property Management Co. Ltd
- Crown Facility Management Ltd
D
E
F
G
- G4S (Hong Kong – Holding) Ltd
- G4S Facility Services (Hong Kong) Ltd
- G4S Gurkha Services Ltd
- G4S Secure Solutions (Hong Kong) Ltd
- G4S Security Systems (Hong Kong) Ltd
- Gallagher Security (Inter) Ltd
- Gammon Security & Technology Ltd
- General Security (HK) Ltd
- Goldwell Property Management Ltd
- Good System Management Ltd
- Goodtech Management Ltd
- Guardforce Ltd
- Guardian Electronic Engineering Ltd
- Guardway Alarms Co. Ltd
- Gurkha Ekta Security Services Ltd
- Gurkha Guard Service Ltd
H
- Hang Seng Security Management Ltd
- Hangzhou HIKVision Technology Co. Ltd.
- HID Asia Pacific Ltd
- Hong Kong & Shanghai Banking Corporation Ltd ( Security & Fraud Risk Department)
- Hong Kong Jockey Club – Security & Integrity Department
- Honway Security Ltd
- Hop On Management Co. Ltd
- Hutchison Property Management Co. Ltd
I
M
N
P
S
- S R Security Co. Ltd
- Safeguard Security Co. Ltd
- Savills Property Management Ltd
- Securex Solution Ltd
- Securitas Security Services (Hong Kong) Ltd
- Security & Safety Ltd
- Security Cares Consultancy Ltd
- Senmax Property Management Ltd
- Shun Hing JVC Ltd
- Shun Hing Technology Co. Ltd
- Signal 8 Security Ltd
- Signal Communications Ltd
- Sino Security Services Ltd
- Standard-Gurkhas (G3S) Security Services Ltd
- Success Security System Ltd
- SUNeVision Super E-Technology Services Ltd
- Sunkoshi Gurkha Security Ltd