| 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 |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Bukit Batok |
| RAS Security Pte Ltd | East | Commercial | SO | SO | Bedok |
| Trek Investigations & Security Management Services Pte Ltd | Central | Commercial | SO | CSO | Ang Mo Kio |
| AGS Integration Pte. Ltd. | Central | Commercial | SO | CSO | Ang Mo Kio |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Simei |
| Force-One Security | Central | Commercial | SO | SSO | Tampines |
| AGS Integration Pte. Ltd. | Central | Commercial | SSO | SSO | Tampines |
| Securus Pte Ltd | North | Commercial | SO | SO | Yishun |
| Premier Security Co-operative Ltd | North | Commercial | SO | SO | Yishun |
| Securus Pte Ltd | North | Commercial | SO | SO | Yishun |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Pioneer |
| Soverus Pte Ltd | Central | Commercial | SSS | SSS | Pioneer |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SO | Bukit Panjang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | CSO | Marsiling |
