| Premier Security Co-operative Ltd | South | Commercial | SS | SS | Pioneer |
| Peregrine Security Pte. Ltd. | South | Office Building | SS | SS | Pioneer |
| Premier Security Co-operative Ltd | South | Commercial | SS | SS | Pioneer |
| G4S Secure Solutions (Singapore) Pte Ltd | South | School | SO | SO | Clementi |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SSO | Hougang |
| Furama RiverFront, Singapore | South | Hotel | OE | SSO | Hougang |
| PICO Guards Pte Ltd | South | Commercial | SSS | SSS | Bukit Batok |
| PICO Guards Pte Ltd | South | - | SSS | SSS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Panjang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Panjang |
| Prosegur Singapore Pte Ltd | South | Commercial | SSS | SSS | Queenstown |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | CSO | Bedok |
| IGC Security Services Pte Ltd | South | Commercial | SS | SS | Marsiling |
| Soverus Pte Ltd | South | Commercial | SS | SS | Marsiling |
| Peregrine Security Pte. Ltd. | South | Office Building | SS | SSS | Ang Mo Kio |
| Soverus Pte Ltd | South | In-House | SS | SS | Jurong East |
| Soverus Pte Ltd | South | In-House | SS | SS | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Tampines |
| SMS Investigation & Security Pte Ltd | South | Condominium | SS | SS | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | South | - | OE | SSS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SS | SS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bukit Batok |
