| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Choa Chu Kang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| TwinRock Global | Central | - | Security Mgt | SS | Choa Chu Kang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Choa Chu Kang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Soverus Pte Ltd | Island Wide | - | SSS | SS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Choa Chu Kang |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Dragnet Smartech Security Pte Ltd | West | Commercial | SSS | SSS | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Choa Chu Kang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSO | Choa Chu Kang |
| Inhouse Employer | North | Commercial | SO | SSO | Choa Chu Kang |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Choa Chu Kang |
| Soverus Pte Ltd | Central | Commercial | SSS | SO | Choa Chu Kang |
