| ESA Security Pte Ltd | South | Hotel | SSO | SO | Sembawang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| Resorts World Sentosa | South | Commercial | SO | SO | - |
| Securus Pte Ltd | South | Gov Building | SO | SO | - |
| Reachfield Security & Safety Management Pte Ltd | South | - | OE | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Jurong East |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SSO | - |
| Soverus Pte Ltd | South | In-House | SSO | SO | Bukit Batok |
| Resorts World Sentosa | South | Commercial | SO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SS | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Jurong East |
| First Security & Private Investigation (Singapore) Pte Ltd | South | Commercial | SO | SO | Potong Pasir |
| Soverus Pte Ltd | South | Commercial | SS | SS | - |
| Inhouse Employer | South | School | SO | SSO | - |
| William Secure Solutions Pte Ltd | South | Condominium | SS | SS | Hougang |
| Soverus Pte Ltd | South | In-House | SS | SS | Hougang |
| Danmax Security Management Pte Ltd | South | Condominium | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SSO | Bukit Batok |
| Inhouse Employer | South | School | SO | SSO | Bukit Batok |
| ONE°15 Marina Sentosa Cove, Singapore | South | Country Club | SO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
