| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
| SATS Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| TwinRock Global | Central | - | Security Mgt | CSO | Pasir Ris |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | CSO | Pasir Ris |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Pasir Ris |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Pasir Ris |
| Prosec Services Pte Ltd | East | Data Centre | SSS | CSO | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | CSO | Pasir Ris |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | CSO | Pasir Ris |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | CSO | Pasir Ris |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| SATS Ltd | East | - | OE | CSO | Pasir Ris |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
