| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Bras Basah |
| Regal Security & Fire Management Services Pte Ltd | West | Dormitory | SO | SO | Bras Basah |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SO | Bras Basah |
| Inhouse Employer | North | In-House | SO | SO | Bras Basah |
| Fervour Pte Ltd | Central | Mix-Development | SO | SO | Bras Basah |
| Horus I (Private Limited) | Central | Retail | SO | SO | Bras Basah |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Bras Basah |
| Inhouse Employer | Central | School | SO | SO | Bras Basah |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Marsiling |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Marsiling |
| Crowne Plaza Changi Airport | East | In-House | OE | SO | Yishun |
| SATS Ltd | Island Wide | - | Inves | SO | Hougang |
| Force-One Security | Central | Commercial | SO | SO | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Bras Basah |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Bras Basah |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | School | SO | SO | Bras Basah |
| Inhouse Employer | South | In-House | SO | SO | Bras Basah |
| Inhouse Employer | Central | Hotel | SO | SO | Bras Basah |
| PICO Guards Pte Ltd | North | Industrial / Factory | SO | SO | Bras Basah |
| Fervour Pte Ltd | West | School | SO | SO | Bras Basah |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Clementi |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Clementi |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Industrial / Factory | SO | SO | Potong Pasir |
| Eagle I Security Services Pte Ltd | East | Condominium | SSO | SO | Pasir Ris |
| Horus I (Private Limited) | South | Retail | SO | SO | Pasir Ris |
