| Acestes Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Focus Security Services Pte Ltd | Island Wide | - | SS | CSO | Marsiling |
| Force-One Security | North | Data Centre | SS | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | CSO | Marsiling |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Sembawang |
| Inhouse Employer | North | Industrial / Factory | SSO | CSO | Bukit Panjang |
| Inhouse Employer | West | School | SO | CSO | Bukit Panjang |
| Inhouse Employer | West | School | OE | CSO | Bukit Panjang |
| Inhouse Employer | West | School | OE | CSO | Bukit Panjang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Sembawang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Sembawang |
| Force-One Security | North | Data Centre | OE | CSO | Ang Mo Kio |
| Force-One Security | North | Data Centre | SS | CSO | Ang Mo Kio |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SSS | CSO | Ang Mo Kio |
| Security & Risk Solutions Pte. Ltd. | South | Office Building | SS | CSO | Boon Lay |
