| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Tampines |
| Inhouse Employer | West | In-House | OM | SSS | Tampines |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Tampines |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Bedok Reservoir |
| Inhouse Employer | West | In-House | OM | CSO | Bedok Reservoir |
| Inhouse Employer | West | In-House | OM | SS | Toa Payoh |
| Inhouse Employer | South | In-House | OE | SS | Ang Mo Kio |
| Pan Pacific Singapore | South | In-House | Security Mgt | SS | Ang Mo Kio |
| Inhouse Employer | East | In-House | SO | SO | Woodleigh |
| Inhouse Employer | East | In-House | SO | SO | Woodleigh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Dover |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Straits Retail Property Management Services Pte. Ltd. | Central | In-House | SO | SS | Pioneer |
| Inhouse Employer | North | In-House | SO | SSO | Bukit Gombak |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | In-House | SSS | SS | Farrer Park |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Farrer Park |
| Inhouse Employer | East | In-House | SO | SSO | - |
