| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| ESA Security Pte Ltd | South | Hotel | SSO | SSO | Tuas Link |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SSO | Simei |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | Sengkang |
| Mainguard Security Services (S) Pte Ltd | South | Construction | SO | SSO | Tuas Link |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Punggol |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SO | Tuas Link |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| Inhouse Employer | South | School | SO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| Inhouse Employer | South | In-House | OE | CSO | Woodlands |
| Pan Pacific Singapore | South | In-House | Security Mgt | SO | Hougang |
| Inhouse Employer | South | School | SO | SO | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | South | - | OE | SSO | Simei |
