| SATS Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| York Hotel (Private) Limited | Central | In-House | OM | SSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Marsiling |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Punggol |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Bishan |
| Inhouse Employer | West | In-House | OM | SSS | Bishan |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Bishan |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Marsiling |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | - |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SO | Choa Chu Kang |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Dover |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Inhouse Employer | West | In-House | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| SATS Ltd | Island Wide | - | OM | SSS | Yishun |
| Inhouse Employer | West | In-House | OM | SSS | Dover |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Boon Lay |
| Inhouse Employer | West | In-House | OM | CSO | Boon Lay |
| SATS Ltd | Island Wide | - | OM | SSS | Yishun |
