| Vendor Company | Contact | |
|---|---|---|
| iSJC ScienTech Pte Ltd/Scott Vickers Pte Ltd | Joseph.cruz@isjcscientech.com@/scottvickers.com.sg | 87665923/96307853 |
| Absolute Instrument Systems Pte Ltd | sales@aisys.com.sg | 62968012 |
| Envprotech Pte. Ltd. | sweechow_ng@singnet.com.sg | 96272500 |
| Hi Con (S) Pte Ltd | james.chen@hicon.com.sg | 68623126 |
| Y.H.H. Trade & Technologies Pte Ltd | chenghong@yhh.com.sg | 96431893 |
Top 5 CCTV vendors ranked by system uptime