| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Pasir Ris |
| Legion Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SSS | Sengkang |
| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | South | - | OE | SSS | Jurong East |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSO | Simei |
| SATS Ltd | Island Wide | - | OM | SSS | Pioneer |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Pioneer |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Pioneer |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSO | Simei |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SS | Punggol |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Pioneer |
| SATS Ltd | Island Wide | - | OM | SSS | Pioneer |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Pioneer |
