| 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 |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Tampines |
| Inhouse Employer | North | Commercial | SO | SS | Sembawang |
| Apro Asian Protection Pte Ltd | Central | Commercial | SSO | SSO | Woodlands |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Marsiling |
| RAS Security Pte Ltd | East | Commercial | SS | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SSO | SS | Punggol |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SSO | Marsiling |
| Premier Security Co-operative Ltd | North | Commercial | SO | SSO | Yishun |
