| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| SMS Investigation & Security Pte Ltd | Island Wide | - | SSO | CSO | Bedok |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Bedok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Aigle Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Bedok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | CSO | Bedok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | CSO | Bedok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| Certis Group | Central | Commercial | SO | CSO | Bedok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| Artyzen Singapore | Central | Hotel | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| Inhouse Employer | South | In-House | SSO | SO | Bedok |
| Inhouse Employer | South | Hotel | SO | SO | Bedok |
| ONE°15 Marina Sentosa Cove, Singapore | South | Country Club | SO | SO | Bedok |
