| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | CSO | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Boon Lay |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SSO | Boon Lay |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| ESA Security Pte Ltd | South | Hotel | SSO | SSO | Tuas Link |
| RAS Security Pte Ltd | North | Commercial | SSO | CSO | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | SSO | CSO | Yishun |
| Excellent Security & Safety Pte Ltd | East | Commercial | SSO | SS | Aljunied |
| Dragnet Smartech Security Pte Ltd | East | Commercial | SSO | SSO | Potong Pasir |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | CSO | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Punggol |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Punggol |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Tuas Link |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SSO | SSO | - |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SSO | SSO | - |
| Excellent Security & Safety Pte Ltd | West | Condominium | SSO | SSO | - |
