| Bissnesss Name | Address |
|---|---|
| China Gem Company Limited | Room 901, 9/F, Lucky Commercial Centre, 103 Des Voeux Road West, Sheung Wan |
| Metrogear Engineering Services Limited | Room 3, 16/F, Cheung Hing Building, 540 Nathan Road, Yau Ma Tei |
| Rainbow Electronic System Co Limited | Flat A, 15/F, Wah Hing Commercial Centre, 383 Shanghai Street, Mong Kok |
| Shine Union Limited | Room 01-03, 3/F, Billion Trade Centre, 31 Hung To Road, Kwun Tong |
| Guardwell Electronic Trading Company Limited | Flat A2, 9/F, Block 2, Camel Paint Building, 62 Hoi Yuen Road, Kwun Tong |
| Kapro Security System Limited | Unit 12, 1/F, Folkland Mansion, 8 Walnet Street, Tai Kok Tsui |
| Ka Ming Security Systems Company Limited | Room 2105, Wealth Commercial Centre, 48 Kwong Wa Street, Mong Kok |
| Byme Engineering (Hong Kong) Limited | Room 2101, 21/F, Island Place Tower, 510 King's Road, North Point |
| Karjet Limited | Room C1, 16/F, Shui Sum Industrial Building, 8-10 Kwai Sau Road, Kwai Chung |
| Geary Electrical Engineering Company Limited | Room 2, 1/F, Folkland Mansion, 8 Walnut Street, Tai Kok Tsui |
| Guardway Alarms Company Limited | 12/F, Lee West Commercial Building, 375-379 Hennessy Road, Wan Chai |
| Silvertech Communications Limited | Room 1123, 11/F, Nan Fung Commercial Centre, 19 Lam Lok Street, Kowloon Bay |
| Cybervision Technology Limited | Shop No. 14, 1/F, Hung Kwong Building Shopping Arcade, 2A-2P Tung Choi Street, Mong Kok |
| Wai Kee Security Engineering Limited | Flat A1(I), 4/F, Phase I, Hang Fung Industrial Building, 2G Hok Yuen Street, Hung Hom |
| Webber & Nickel (Int'l) Co Limited | Flat A & B, 24/F, Excelsior Industrial Building, No 68-76 Sha Tsui Road, Tsuen Wan |
| Vega Technology Limited | 21/F, Wyler Centre Phase II, 192-200 Tai Lin Pai Road, Kwai Chung |
| Fu Chi Tech Engineering Limited | Room 3, 7/F, Block A, Morlite Building, 40 Hung To Road, Kwun Tong |
| Macaps International Limited | Room 8, Block B, 14/F, Hoi Luen Industrial Centre, 55 Hoi Yuen Road, Kwun Tong |
| Securisys Hong Kong Limited | Unit 807, 8/F, Max Trade Centre, 23 Luk Hop Street, San Po Kong |
| Mark Gain Investment Limited | Room 3 & 4, 3/F, Wah Yuen Factory Building, 15-21 Beech Street, Tai Kok Tsui |
| L & M Brothers Technology Engineering Limited | Flat 16A, 10/F, Well Fung Industrial Centre, 68 Ta Chuen Ping Street, Kwai Chung |
| Caration Electronic Engineering Company Limited | Flat A1, 13/F, Bonsun Industrial Building, 364-366 Sha Tsui Road , Tsuen Wan |
| Sky On Consultants & Engineering Limited | Room 1105, 11/F, Hang Pont Commercial Building, 31 Tonkin Street, Cheung Sha Wan |
| Electronics 2000 Technology Company Limited | Room 1406, Block A, 14/F, Vigor Industrial Building, 14-20 Cheung Tat Road, Tsing Yi |
| Electronic World Systems | Flat A, 12/F, Capital Commercial Building, 448 Shanghai Street, Mong Kok |