| AETOS Holdings Pte Ltd | West | - | SO | SS | Marsiling |
| AETOS Holdings Pte Ltd | West | - | SO | Nil | Ubi |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Hougang |
| Inhouse Employer | West | In-House | OM | SS | Hougang |
| Inhouse Employer | West | In-House | OM | CSO | Pasir Ris |
| SECOM Smart (Singapore) Pte. Ltd. | West | Commercial | SSO | SSO | Bukit Batok |
| Inhouse Employer | West | In-House | OM | CSO | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Woodlands |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Woodlands |
| Inhouse Employer | West | In-House | OM | CSO | Choa Chu Kang |
| FormTeam Consultancy Pte Ltd | West | Condominium | SS | SS | Jurong East |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Bedok |
| Inhouse Employer | West | In-House | OM | Nil | Pioneer |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | Nil | Pioneer |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | Nil | Pioneer |
| AGS Integration Pte. Ltd. | West | In-House | SS | Nil | Pioneer |
| Securitas Guarding Services (Singapore) Pte Ltd | West | Commercial | SSO | CSO | Bedok |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | SSS | Yishun |
| Inhouse Employer | West | In-House | OM | SSS | Yishun |
| Hawkeye Security Solutions Pte Ltd | West | Industrial / Factory | SS | SS | Woodlands |
| Inhouse Employer | West | In-House | OM | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | SO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | SO | Jurong East |
| AETOS Holdings Pte Ltd | West | - | SO | SS | Marsiling |
