| Soverus Pte Ltd | South | In-House | SS | SS | Woodlands South |
| Soverus Pte Ltd | South | Commercial | SS | SS | Woodlands South |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Woodlands South |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Tampines |
| SATS Ltd | Island Wide | - | OM | SS | Tampines |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Tampines |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Certis Group | Island Wide | - | SSO | SS | Choa Chu Kang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Woodlands South |
| Soverus Pte Ltd | South | In-House | SS | SS | Woodlands South |
| Force-One Security | North | Data Centre | SS | SS | Woodlands South |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Woodlands South |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Woodlands South |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| PICO Guards Pte Ltd | North | School | SO | SS | Woodlands South |
| PICO Guards Pte Ltd | North | School | SO | SS | Woodlands South |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SS | Woodlands South |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| William Secure Solutions Pte Ltd | North | Industrial / Factory | SS | SS | Woodlands South |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Sengkang |
