| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | - |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Toa Payoh |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Woodlands |
| SATS Ltd | Island Wide | - | Inves | CSO | Bedok |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Bedok |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Peregrine Security Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| TwinRock Global | Central | - | SO | CSO | Bedok |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Tampines |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Metropolis Security Systems Pte Ltd | North | - | SO | SSO | - |
| SATS Ltd | Island Wide | - | Inves | CSO | Marsiling |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Marsiling |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Marsiling |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
