| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Fervour Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Securus Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Inhouse Employer | West | In-House | OM | Nil | Dover |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Securus Pte Ltd | Island Wide | - | OM | Nil | Dover |
| SATS Ltd | Island Wide | - | OM | Nil | Dover |
| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Dover |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Dover |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Dover |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | Nil | Dover |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | Nil | Dover |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | Nil | Dover |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Dover |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | Nil | Dover |
| Star Security Services | Island Wide | - | OE | Nil | Dover |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | Nil | Dover |
| Trek Investigations & Security Management Services Pte Ltd | West | Industrial / Factory | SO | Nil | Jurong East |
| Prosec Services Pte Ltd | Central | Mix-Development | SO | Nil | Jurong East |
| Mainguard Security Services (S) Pte Ltd | South | Construction | SO | Nil | Aljunied |
| Certis Group | Island Wide | Gov Building | APO | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Telok Blangah |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Telok Blangah |
