| York Hotel (Private) Limited | Central | In-House | SS | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Inhouse Employer | Central | Hotel | OE | SS | Sengkang |
| M Social Singapore | Central | Hotel | OE | SS | Sengkang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Certis Group | Island Wide | - | SSO | SS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | SSO | SS | Sengkang |
| Inhouse Employer | East | In-House | SO | SS | Sengkang |
| Inhouse Employer | North | In-House | SO | SS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Sengkang |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSO | Sengkang |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
