| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Jurong East |
| ADT Integrated Security Solutions Pte. Ltd. | West | Commercial | SSO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Jurong East |
| Triple ‘S’ Protection Pte Ltd | West | Depot | SSO | SSO | Jurong East |
| AETOS Holdings Pte Ltd | Island Wide | Commercial | SSO | SSO | Jurong East |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Jurong East |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSO | Admiralty |
| M Social Singapore | Central | Hotel | OE | SSO | Admiralty |
| 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 |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SSO | Admiralty |
| TwinRock Global | West | Condominium | SSO | SSO | Woodlands |
| Triple ‘S’ Protection Pte Ltd | West | Depot | SSO | SSO | Boon Lay |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | SSO | Bedok North |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| Excellent Security & Safety Pte Ltd | Central | Industrial / Factory | SSO | SSO | Toa Payoh |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSO | Jurong East |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Jurong East |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Jurong East |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSO | Jurong East |
