| Inhouse Employer | Central | In-House | SSS | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Premier Security Co-operative Ltd | North | School | SSS | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Premier Security Co-operative Ltd | North | School | SSS | CSO | Toa Payoh |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| SATS Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Toa Payoh |
| PICO Guards Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Ademco Security Pte Ltd | South | Mix-Development | SSS | CSO | Toa Payoh |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Boon Lay |
| Inhouse Employer | Island Wide | - | OE | CSO | Marsiling |
| SATS Ltd | East | - | OE | CSO | Pasir Ris |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
