| SATS Ltd | Island Wide | - | OM | SS | Tampines |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Yishun |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Hougang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Hougang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Hougang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | - |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Inhouse Employer | West | In-House | OM | CSO | Pasir Ris |
