| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| Focal Investigation & Security Agency Pte Ltd | South | Commercial | SO | SO | Tampines |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Woodlands |
| Soverus Pte Ltd | South | Commercial | SS | SS | Woodlands |
| SMS Investigation & Security Pte Ltd | South | Condominium | SS | SS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SSS | Pasir Ris |
| Ademco Security Pte Ltd | South | Mix-Development | SSS | SSS | Pasir Ris |
| Soverus Pte Ltd | South | In-House | SS | SSS | Pasir Ris |
| Focal Investigation & Security Agency Pte Ltd | South | Commercial | SO | SO | Tampines |
| IGC Security Services Pte Ltd | South | Industrial / Factory | SO | SO | Punggol |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Redhill |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Yishun |
| Ademco Security Pte Ltd | South | Mix-Development | SSS | SSS | Yishun |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| Soverus Pte Ltd | South | Commercial | SS | SS | - |
| SMS Investigation & Security Pte Ltd | South | Condominium | SS | SS | - |
| 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 | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Eunos |
| TwinRock Global | South | Condominium | SO | SO | Choa Chu Kang |
