| SATS Ltd | Island Wide | - | OM | SSS | Dover |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Dover |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | Island Wide | - | OE | SSS | Bishan |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSS | Sembawang |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Dover |
| Inhouse Employer | Island Wide | - | OE | SSS | Jurong East |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Jurong East |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Jurong East |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Jurong East |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Jurong East |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SSS | Jurong East |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Simei |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Dover |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Dover |
| SATS Ltd | Island Wide | - | OM | SSS | Dover |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Simei |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSO | Simei |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Dover |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
