| Securitas Guarding Services (Singapore) Pte Ltd | West | Commercial | SSO | CSO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Redhill |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SS | Simei |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SO | SSO | Tampines |
| Soverus Pte Ltd | Central | Commercial | SSO | SS | Buona Vista |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSS | Yishun |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Yishun |
| Elitez Security Pte Ltd | Central | Commercial | SSS | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SO | SSO | Eunos |
| Soverus Pte Ltd | South | Commercial | SS | SS | - |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | SO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | SO | Jurong East |
| Resorts World Sentosa | South | Commercial | SO | SO | - |
| 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 | - |
