| Certis Group | Island Wide | - | SO | Nil | Braddell |
| Certis Group | Island Wide | Commercial | SO | Nil | Braddell |
| PICO Guards Pte Ltd | North | Industrial / Factory | SO | SO | Bras Basah |
| Inhouse Employer | North | In-House | SO | SO | Bras Basah |
| Regal Security & Fire Management Services Pte Ltd | West | Dormitory | SO | SO | Bras Basah |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Bras Basah |
| Force-One Security | Central | Industrial / Factory | SO | SO | Bras Basah |
| Peregrine Security Pte. Ltd. | Central | School | SO | SO | Bras Basah |
| 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 |
| 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 |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bras Basah |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SO | Bright Hill |
