| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SO | Yishun |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SS | - |
| Pan Pacific Singapore | South | In-House | Security Mgt | Nil | Yishun |
| Horus I (Private Limited) | South | Retail | SO | SS | Holland Village |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Pasir Ris |
| Resorts World Sentosa | South | Commercial | SS | SSS | Dover |
| First Security & Private Investigation (Singapore) Pte Ltd | South | Condominium | SS | SSS | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Pasir Ris |
| Metropolis Security Systems Pte Ltd | South | Commercial | SSS | SSS | Tanjong Pagar |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| Resorts World Sentosa | South | Commercial | SO | SO | Telok Blangah |
| Premier Security Co-operative Ltd | South | Commercial | SS | SSS | Tanjong Pagar |
| Metropolis Security Systems Pte Ltd | South | Commercial | SSS | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Woodlands |
| Metropolis Security Systems Pte Ltd | South | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | South | Commercial | SSS | SSS | Lakeside |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Woodlands |
| 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 |
| William Secure Solutions Pte Ltd | South | Commercial | SS | SS | Yishun |
| Soverus Pte Ltd | South | In-House | SS | SS | Woodlands South |
| Soverus Pte Ltd | South | Commercial | SS | SS | Woodlands South |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | SSS | Jurong East |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SSS | Toa Payoh |
