| Triple ‘S’ Protection Pte Ltd | Island Wide | Commercial | SO | SO | - |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| William Secure Solutions Pte Ltd | Central | Hotel | SO | SSO | - |
| ESA Security Pte Ltd | South | Hotel | SSO | SSO | - |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SSO | - |
| Excellent Security & Safety Pte Ltd | East | Data Centre | SSO | SSO | - |
| Dragnet Smartech Security Pte Ltd | Island Wide | Commercial | SO | SSO | - |
| 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 | - |
| Excellent Security & Safety Pte Ltd | West | Condominium | SSO | SSO | - |
| Fervour Pte Ltd | Central | Data Centre | SO | SSO | - |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | - |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| Union Security Services Pte. Ltd. | Island Wide | Commercial | SO | SSO | - |
| PICO Guards Pte Ltd | East | Commercial | SO | SSO | - |
| Elitez Security Pte Ltd | Central | Condominium | SO | SSO | - |
| GATES PCM Integrated Services Pte Ltd | Central | School | SO | SSO | - |
| Union Security Services Pte. Ltd. | Island Wide | - | SSO | SSO | - |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | - |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | - |
| Securitas Guarding Services (Singapore) Pte Ltd | West | Commercial | SSO | SSO | - |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | - |
