| William Secure Solutions Pte Ltd | Central | Condominium | SS | SO | - |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| SATS Ltd | Island Wide | - | OM | SSO | Boon Lay |
| York Hotel (Private) Limited | Central | In-House | SS | SS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SO | Tampines |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Bedok |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Managment | CSO | Sengkang |
| Inhouse Employer | Central | Hotel | SS | SS | Yishun |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Choa Chu Kang |
| Inhouse Employer | Central | In-House | SO | SSO | Boon Lay |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | - |
| William Secure Solutions Pte Ltd | South | Condominium | SO | SO | Mountbatten |
| SATS Ltd | Island Wide | - | OM | SS | Yishun |
| Young Women's Christian Association of Singapore | Central | In-House | SS | SSS | Marsiling |
| Certis Group | Central | Commercial | SO | SSO | Bukit Batok |
| Soverus Pte Ltd | Island Wide | - | SSS | SS | Choa Chu Kang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SS | Tampines |
| G4S Secure Solutions (Singapore) Pte Ltd | West | School | SO | SO | - |
| IGC Security Services Pte Ltd | North | Commercial | SO | SO | Punggol |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SS | Sengkang |
