| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Simei |
| Securus Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SO | Nil | - |
| Inhouse Employer | Island Wide | - | OE | SS | Kaki Bukit |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Retail | SO | SO | - |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| FormTeam Consultancy Pte Ltd | West | Condominium | SSO | SSO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Jurong East |
| Securus Pte Ltd | Island Wide | - | OM | SS | Punggol |
| SATS Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Jasa Investigation & Security Services Pte Ltd | West | Industrial / Factory | SSO | SO | Boon Lay |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| RAS Security Pte Ltd | North | In-House | Office Team | SS | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Simei |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Simei |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SS | Punggol |
| Union Security Services Pte. Ltd. | Central | Industrial / Factory | SS | SO | - |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Bukit Panjang |
| Eagle I Security Services Pte Ltd | Central | Healthcare | SO | SO | Hougang |
| SMS Investigation & Security Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Inhouse Employer | Central | In-House | SS | SS | HarbourFront |
