| RAS Security Pte Ltd | North | Commercial | SSO | SS | Punggol |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Sengkang |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SSO | SSO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | - |
| Union Security Services Pte. Ltd. | Island Wide | Commercial | SO | SSO | - |
| PICO Guards Pte Ltd | East | Commercial | SO | SSO | - |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Premier Security Co-operative Ltd | East | Commercial | SO | SO | Simei |
| Premier Security Co-operative Ltd | East | Commercial | SO | SO | Simei |
| Premier Security Co-operative Ltd | East | Commercial | SO | SO | Simei |
| RAS Security Pte Ltd | Island Wide | Commercial | SSO | SO | Punggol |
| GATES PCM Integrated Services Pte Ltd | Central | Commercial | SO | SO | Novena |
| GATES PCM Integrated Services Pte Ltd | Central | Commercial | SO | SO | Novena |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Clementi |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SO | Tuas Link |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Sembawang |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Sembawang |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | Nil | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
