| Soverus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Dover |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Dover |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Dover |
| Certis Group | Island Wide | Commercial | SO | SO | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Tampines |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Jurong East |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SO | Bedok |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SO | Bukit Batok |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Star Security Services | Island Wide | - | Security Mgt | SS | - |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| Securus Pte Ltd | Island Wide | - | OM | SO | Khatib |
| Certis Group | Island Wide | Commercial | APO | CSO | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Sengkang |
