| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| York Hotel (Private) Limited | Central | In-House | OM | SSO | Marsiling |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Marsiling |
| Triple ‘S’ Protection Pte Ltd | North | Depot | SS | SS | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SS | Marsiling |
| Force-One Security | North | Data Centre | SS | SS | Marsiling |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Marsiling |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Elid Technology International Pte Ltd | West | Condominium | SS | SS | Marsiling |
| Force-One Security | North | Data Centre | SO | SS | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Marsiling |
| RAS Security Pte Ltd | East | Commercial | SS | SS | Marsiling |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SS | SS | Marsiling |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Certis Group | North | - | SO | Nil | Marsiling |
| Certis Group | North | - | SO | Nil | Marsiling |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
