| Crowne Plaza Changi Airport | East | In-House | OM | SS | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Industrial / Factory | SSS | SS | Pasir Ris |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Pasir Ris |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | SSS | Nil | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | Nil | Pasir Ris |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| Bulls-Eye Security Services Pte Ltd | Island Wide | - | SSO | SSO | Pasir Ris |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Pasir Ris |
| Prosegur Singapore Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OM | SSO | Pasir Ris |
| Prosegur Singapore Pte Ltd | East | Commercial | SSO | Nil | Pasir Ris |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
