| Bissnesss Name | Address |
|---|---|
| Technical Electronic System Engineering Limited | Unit 9, 8/F, Winsum Industrial Building, 588 Castle Peak Road, Cheung Sha Wan |
| Cableffusion Telecom Limited | Unit 12, 26/F, Tower I, Tak Fung Industrial Centre, 168 Texaco Road , Tsuen Wan |
| Chung Hing Engineers Limited | 1/F, Westlands Centre, 20 Westlands Road , Quarry Bay |
| CLP Engineering Limited | 147 Argyle Street, Mong Kok |
| Real-China Electronic Security Systems Limited | Flat A, 7/F, Wing Lee Industrial Building, 26-28 Ivy Street, Tai Kok Tsui |
| China State Machinery Limited | 29/F, China Overseas Building, 139 Hennessy Road, Wan Chai |
| Anxin-China Holdings Limited | Unit 2001-2005, 20/F, Harbour Centre, 25 Harbour Road, Wan Chai |
| CTS Pacific Technology Limited | 1 Cheong Hang Road, Hung Hom |
| Greenery Electronic Security Systems Ltd | Flat G, 17/F, Block 3, Golden Dragon Industrial Centre, 172-180 Tai Lin Pai Road, Kwai Chung |
| Bestune Engineering Company Limited | Room 13, 14/F, Shing Yip Industrial Building, 19-21 Shing Yip Street, Kwun Tong |
| ASC NIS Security System Limited | 6/F, Arion Commercial Centre, 2 Queen's Road West, Sheung Wan |
| Homesafe Alarm | Kaiser Est, Hung Hom |
| Giant Eithertec Co Limited | Room 1307, 13/F, Yue Fung Industrial Building, 34-45 Chai Wan Kok Street, Tsuen Wan |
| Toppan Forms Computer Systems Limited | Flat 40-42, 44, 50-75A, 10/F, Kowloon Bay International Trade & Exhibition Centre, 1 Trademart Drive, Kowloon Bay |
| Elephant Holdings Limited | 3/F, Beverly House, 93-107 Lockhart Road, Wan Chai |
| Diaward Steel Works Ltd | East Town Bldg, Wan Chai |
| Tai Wah Radio Company Limited | Room 14-15 & 19-20, 1/F, Fook Tin Building, 38 Wai Chi Street, Shek Kip Mei |
| GrandFrog Networks Company Limited | Unit 1003, 10/F, Nam Fung Commercial Centre, 19 Lam Lok Street, Kowloon Bay |
| Dksh Hong Kong Limited | 23/F, Tower A, Southmark, 11 Yip Hing Street, Wong Chuk Hang |
| Teleeye Holdings Limited | Unit 202-3, 2/F, Laford Centre, 838 Lai Chi Kok Road, Lai Chi Kok |
| Signal Communications Limited | Rms 202-203, 2/F, Laford Centre, 838 Lai Chi Kok Road, Lai Chi Kok |
| Samba Engineering Limited | Flat A, 2/F, King Yip Factory Building, 59 King Yip Street, Kwun Tong |
| Nick Go Electronics (HK) Limited | Flat C, 11/F, Hing Win Factory Building, 110 How Ming Street, Kwun Tong |
| Sanyo Electric (Hong Kong) Limited | 3/F, Chuan Kei Factory Building, 15-23 Kin Hong Street, Kwai Chung |
| Nixon Technology Co Ltd | 89 Tan Kwai Tsuen Rd, Yuen Long |