| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | SSO | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | SSO | SSO | - |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SSO | SSO | - |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SSO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | Nil | Admiralty |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Jurong East |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | SSO | Jurong East |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | - |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SSO | SSO | - |
| Peregrine Security Pte. Ltd. | Central | - | SSO | SO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SO | Bukit Batok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | SSO | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Uniforce Security Services Pte Ltd | Central | - | SSO | SSO | Bukit Batok |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | North | - | SSO | SSO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| SECOM Smart (Singapore) Pte. Ltd. | West | Commercial | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Jurong East |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | SSO | Jurong East |
