| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Ang Mo Kio |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Ang Mo Kio |
| TwinRock Global | Central | - | Security Mgt | Nil | Ang Mo Kio |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Ang Mo Kio |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | Nil | Ang Mo Kio |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Ang Mo Kio |
| SATS Ltd | Island Wide | - | Inves | Nil | Tampines East |
| SATS Ltd | Island Wide | - | OM | Nil | Novena |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | Nil | Kembangan |
| AETOS Holdings Pte Ltd | Island Wide | Mix-Development | APO | Nil | Admiralty |
| Eagle I Security Services Pte Ltd | West | Condominium | SO | Nil | Boon Lay |
| RAS Security Pte Ltd | North | Commercial | SSO | Nil | Bukit Batok |
| SATS Ltd | Island Wide | - | OM | Nil | Tampines |
| AETOS Holdings Pte Ltd | Island Wide | Mix-Development | APO | Nil | Admiralty |
| SATS Ltd | Island Wide | - | Inves | Nil | Sengkang |
| SATS Ltd | Island Wide | - | Inves | Nil | Hougang |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | Nil | Bukit Panjang |
| Fervour Pte Ltd | West | School | SO | Nil | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OE | Nil | Bukit Gombak |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | Nil | Bukit Gombak |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Bukit Gombak |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Gombak |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Bukit Gombak |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | Nil | Jurong East |
