| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | SSS | Pasir Ris |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSS | Pasir Ris |
| Mainguard Security Services (S) Pte Ltd | Island Wide | - | OE | Nil | Pasir Ris |
| Horus I (Private Limited) | Central | Retail | SO | SSO | Pasir Ris |
| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Premier Security Co-operative Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Pasir Ris |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Pasir Ris |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Pasir Ris |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Pasir Ris |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| Inhouse Employer | South | In-House | SO | SO | Pasir Panjang |
| Inhouse Employer | South | In-House | SO | SO | Pasir Panjang |
| Certis Group | West | School | SSO | SO | Outram Park |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Commercial | SSO | SO | Outram Park |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Novena |
| SATS Ltd | Island Wide | - | OM | Nil | Novena |
| GATES PCM Integrated Services Pte Ltd | Central | Commercial | SO | SO | Novena |
| Fervour Pte Ltd | Central | Data Centre | SO | SO | Novena |
