| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Yishun |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | SS | SS | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Artyzen Singapore | Central | Hotel | SS | SO | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SO | Yishun |
| Inhouse Employer | North | Industrial / Factory | SSO | SS | Yishun |
| Union Security Services Pte. Ltd. | North | - | SSO | SSS | Yishun |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SSS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Yishun |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Yishun |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Yishun |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSS | Yishun |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Yishun |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| Kingston Property Maintenance Services Pte Ltd | Central | - | SS | SSS | Yishun |
| Kingston Property Maintenance Services Pte Ltd | Central | - | SS | SSS | Yishun |
| TwinRock Global | Central | - | Security Mgt | SSS | Yishun |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | SSS | Yishun |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Yishun |
