| Royal Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Commonwealth |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | Nil | Commonwealth |
| York Hotel (Private) Limited | Central | In-House | OM | Nil | Boon Lay |
| SATS Ltd | Island Wide | - | OM | Nil | Jurong East |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Yishun |
| Pan Pacific Singapore | South | In-House | Security Mgt | Nil | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Jurong East |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| York Hotel (Private) Limited | Central | In-House | OM | Nil | Yishun |
| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Jurong East |
