| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | CSO | Marsiling |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | CSO | Marsiling |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Marsiling |
| Inhouse Employer | Central | In-House | SSS | CSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Marsiling |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Inhouse Employer | Central | Hotel | SO | SS | Marsiling |
| AETOS Holdings Pte Ltd | West | - | SO | SO | Marsiling |
| AETOS Holdings Pte Ltd | West | - | SO | SS | Marsiling |
| Inhouse Employer | Central | Hotel | SS | SS | Marsiling |
| Artyzen Singapore | Central | Hotel | SS | SS | Marsiling |
| AETOS Holdings Pte Ltd | West | - | SO | SS | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
