| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines West |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Tampines East |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SSS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Industrial / Factory | SO | SO | Boon Lay |
| Inhouse Employer | North | In-House | SO | SSO | Yishun |
| Certis Group | South | Healthcare | SS | SS | Admiralty |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Hougang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Hougang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Yishun |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Sengkang |
| Certis Group | Island Wide | - | SO | SO | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Securus Pte Ltd | East | Condominium | SS | SS | Aljunied |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Clementi |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
