| Inhouse Employer | North | In-House | SO | CSO | Yishun |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SSO | Yishun |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Yishun |
| PICO Guards Pte Ltd | North | Industrial / Factory | SSO | SSO | Yishun |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Yishun |
| H World Holdings Singapore Pte. Ltd. | Central | In-House | SO | CSO | Yishun |
| TwinRock Global | Central | - | SO | CSO | Yishun |
| Inhouse Employer | East | In-House | SO | CSO | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Yishun |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Yishun |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Yishun |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | SS | SS | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Artyzen Singapore | Central | Hotel | SS | SO | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SO | Yishun |
| Inhouse Employer | North | Industrial / Factory | SSO | SS | Yishun |
| Union Security Services Pte. Ltd. | North | - | SSO | SSS | Yishun |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SSS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Yishun |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Yishun |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
