| Bissnesss Name | Address |
|---|---|
| Laser Electronic Security Limited | Flat B, 18/F, Wah Hing Commercial Centre, 383 Shanghai Street, Yau Ma Tei |
| Dat Shun Electrical (Hong Kong) Limited | Flat A B, Block I, 20/F, Kingswin Ind Bldg, 32-50 Lei Muk Road, Kwai Chung |
| Scantech Security Systems Limited | Room 2101, 21/F, Fortune Commercial Building, 362 Sha Tsui Road, Tsuen Wan |
| Dali Security & Technology Limited | Flat B, G/F, Phase I, Mei King Mansion, 26 Mei King Street, To Kwa Wan |
| Luckway Engineering Limited | Room 1207, 12/F, Sunbeam Centre, 27 Shing Yip Street, Kwun Tong |
| Sincerity Services Limited | Flat B01, 5/F, Wui Wah Factory Building, 1035-1037 Yee Kuk West Street, Cheung Sha Wan |
| Unitmax Engineering Limited | Room 2, Block A, 11/F, Tak Lee Industrial Centre, 8 Tsing Yeung Circuit, Tuen Mun |
| Top Express Communications Limited | Room 549-511, Hi-tech Centre, 9 Choi Yuen Road, Sheung Shui |
| Multi Gain (HK) Limited | Room 12, 9/F, Block B2, Hang Wai Industrial Centre, 6 Kin Tai Street, Tuen Mun |
| Manton Security Limited | G/F, 901A Canton Road, Mong Kok |
| BAS Engineering Limited | Room 708, 7/F, Paramount Building, 12 Ka Yip Street, Chai Wan |
| Centronic Engineering Co Limited | Flat D1, 13/F, Fuk Cheung Factory Building, 1 Walnut Street , Tai Kok Tsui |
| Master System (HK) Limited | Room 4, 22/F, Arion Commercial Centre, 2-12 Queen's Road West, Sheung Wan |
| Sherwell Technology Limited | Flat A, 10/F, Ming Tak Centre, 135-137 Tung Chau Street, Tai Kok Tsui |
| Shui Cheong Carpark Equipment Limited | Room 5, 1/F, Wah Wai Centre, 38 Au Pui Wan Street, Fo Tan, Sha Tin |
| YHS Technology Limited | Flat D1, 16/F, Shui Sum Industrial Building, 8-10 Kwai Sau Road, Kwai Chung |
| Sun Fung Group Limited (Trading as Sun Technology & System Co) | Room 1701, New Treasure Centre, 10 Ng Fong Street, San Po Kong |
| Grand Global Technology Limited | Room 612, 6/F, Fat Lee Industrial Building, 17 Hung To Road, Kwun Tong |
| Novel Systems Limited | Unit 19, 15/F, Block A, Goldway Industrial Centre, 16-20 Wing Kin Road, Kwai Chung |
| New Message Technology Company Limited | Room 11, 3/F, Sino Industrial Plaza, 9 Kai Cheung Road, Kowloon Bay |
| Sun Mei Engineering (Hong Kong) Limited | Room 09, 19/F, Technology Plaza, 29-35 Sha Tsui Road, Tsuen Wan |
| Chaser Engineering Hong Kong Limited | Flat E, 16/F, Cheong Wah Commercial Building, 900-904 Canton Road, Mong Kok |
| TAD Technology Limited | Flat 413A, 4/F, Fu Hang Industrial Building, 1 Hok Yuen Street, Hung Hom |
| Shun Tung Electric Company Limited | Room 3, 9/F, Man Lee Industrial Building, 13 Kin Hong Street, Kwai Chung |
| Mega Power Engineering Company Limited | Room 11, 6/F, Block 1, Nan Fung Industrial City, 18 Tin Hau Road, Tuen Mun |