| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Woodlands |
| William Secure Solutions Pte Ltd | East | Condominium | SSS | CSO | Woodlands |
| William Secure Solutions Pte Ltd | East | Condominium | SSS | CSO | Woodlands |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | CSO | Woodlands |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| RAS Security Pte Ltd | North | Commercial | OE | CSO | Woodlands |
| Premier Security Co-operative Ltd | North | School | SSS | CSO | Woodlands |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Woodlands |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Woodlands |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Woodlands |
| Inhouse Employer | South | In-House | OE | CSO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | CSO | Woodlands |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Guthrie FMC Security Pte Ltd | West | Dormitory | SO | SO | Woodlands |
| GATES PCM Integrated Services Pte Ltd | West | School | SO | SO | Woodlands |
| Inhouse Employer | Central | In-House | SSS | CSO | Woodlands |
| Fervour Pte Ltd | North | Data Centre | SO | SSO | Woodlands |
| Certis Group | North | - | SO | SS | Woodlands |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Woodlands |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Woodlands |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Woodlands |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
