| Titanium Safety & Security Pte Ltd | North | In-House | OE | SSS | Dover |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Choa Chu Kang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Jurong East |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Dover |
| Inhouse Employer | Central | In-House | SS | SSS | Redhill |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Redhill |
| Inhouse Employer | Central | In-House | SS | SS | HarbourFront |
| York Hotel (Private) Limited | Central | In-House | SS | SS | HarbourFront |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Ang Mo Kio |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | HarbourFront |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | HarbourFront |
| York Hotel (Private) Limited | Central | In-House | SS | SS | HarbourFront |
| Inhouse Employer | Central | In-House | SS | SS | HarbourFront |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | HarbourFront |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Choa Chu Kang |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SO | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SO | Yishun |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Woodlands |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSS | Woodlands |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSS | Lakeside |
