| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Ang Mo Kio |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Sembawang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSS | Woodlands |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Sengkang |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Pasir Ris |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SO | - |
| PICO Guards Pte Ltd | Island Wide | - | OE | SO | - |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SO | - |
