| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SS | SS | Yishun |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Yishun |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Yishun |
| RAS Security Pte Ltd | East | Commercial | SS | SS | Yishun |
| William Secure Solutions Pte Ltd | South | Commercial | SS | SS | Yishun |
| Soverus Pte Ltd | South | Commercial | SS | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Woodlands South |
| Dragnet Smartech Security Pte Ltd | West | Commercial | SSS | SSS | Jurong East |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | SSS | Jurong East |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Union Security Services Pte. Ltd. | North | Commercial | 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 |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| RAS Security Pte Ltd | North | Commercial | OE | SO | Sengkang |
| Excellent Security & Safety Pte Ltd | South | Commercial | SSO | SSO | - |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SS | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SS | Yishun |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Yishun |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SS | SS | Boon Lay |
| GWC Commercial Pte. Ltd. | Central | Commercial | SO | SO | Bedok |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SS | Boon Lay |
