| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Star Security Services | Island Wide | - | OE | CSO | Marsiling |
| PICO Guards Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Marsiling |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
