| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SSO | SSO | Bukit Batok |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | Commercial | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Eunos |
| SATS Ltd | Island Wide | Commercial | APO | SO | Choa Chu Kang |
| SATS Ltd | Island Wide | Commercial | SO | SO | Bukit Batok |
| PICO Guards Pte Ltd | South | Commercial | SSS | CSO | Marsiling |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SSO | - |
| Dragnet Smartech Security Pte Ltd | Island Wide | Commercial | SO | SSO | - |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Sembawang |
| RAS Security Pte Ltd | East | Commercial | SSO | SO | Tampines |
| RAS Security Pte Ltd | East | Commercial | SSO | SO | Tampines |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Security Masters Pte Ltd | North | Commercial | CSO | SS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Woodlands |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSO | Boon Lay |
| RAS Security Pte Ltd | East | Commercial | SO | SO | Tampines |
| PICO Guards Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
