| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Jurong East |
| Securus Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | West | Commercial | SS | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SS | SS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Securus Pte Ltd | Island Wide | Commercial | OE | SSS | Tampines West |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Admiralty |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Admiralty |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| Prosec Services Pte Ltd | South | Commercial | SSS | SSS | Woodlands |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Aljunied |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SS | MacPherson |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SS | SS | Aljunied |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| Certis Group | Central | Commercial | SO | CSO | Bedok |
