| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | OE | CSO | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | CSO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | CSO | Marsiling |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | CSO | Marsiling |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Marsiling |
| Prosec Services Pte Ltd | East | Data Centre | SSS | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SO | Marsiling |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
