| Force-One Security | North | Data Centre | OE | SO | Tampines |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Yishun |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Yishun |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Yishun |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Yishun |
| Force-One Security | North | Data Centre | SS | SS | Yishun |
| Force-One Security | North | Data Centre | OE | SS | Yishun |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Woodlands South |
| Union Security Services Pte. Ltd. | North | Commercial | 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 |
| 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 |
| RAS Security Pte Ltd | North | Commercial | OE | SO | Sengkang |
| Force-One Security | North | Data Centre | SS | SS | Boon Lay |
| Force-One Security | North | Data Centre | SS | SS | Yishun |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Yishun |
| Premier Security Co-operative Ltd | North | School | SSO | SSO | Potong Pasir |
