| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SS | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Jurong East |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Bedok |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Bedok |
| Security & Risk Solutions Pte. Ltd. | Central | In-House | RSOC/CAMS Op | SS | Jurong East |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSO | Simei |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSO | Sengkang |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | SS | SS | Yishun |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Hougang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Hougang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Hougang |
| Inhouse Employer | West | In-House | OM | SS | Hougang |
| Soverus Pte Ltd | South | In-House | SS | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Tampines East |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Inhouse Employer | North | In-House | SO | SSO | Bukit Batok |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Bukit Batok |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SSO | Bukit Batok |
