| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | Nil | Jurong East |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | Kranji |
| Inhouse Employer | Central | Country Club | OM | SO | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Jurong East |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Dover |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Potong Pasir |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Potong Pasir |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Potong Pasir |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
