| G4S Secure Solutions (Singapore) Pte Ltd | South | Retail | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Retail | SO | SS | Pioneer |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Retail | SO | SO | - |
| Aigle Security Pte Ltd | Central | Retail | SO | SS | Pioneer |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Retail | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Retail | SO | SO | - |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| TwinRock Global | East | Retail | SO | SSS | Pasir Ris |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Retail | SO | SO | Punggol |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Retail | SO | SO | - |
| Horus I (Private Limited) | Central | Retail | SO | SO | Bras Basah |
| Horus I (Private Limited) | South | Retail | SO | SO | Pasir Ris |
| Horus I (Private Limited) | South | Retail | SO | SO | Pasir Ris |
| Horus I (Private Limited) | North | Retail | SO | SO | Tampines |
| Horus I (Private Limited) | South | Retail | SO | SS | Holland Village |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| Certis Group | West | Retail | SO | SS | Choa Chu Kang |
| Horus I (Private Limited) | Central | Retail | SO | SSO | Pasir Ris |
| First Security & Private Investigation (Singapore) Pte Ltd | Central | Retail | SO | SS | Punggol |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
