| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Simei |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | CSO | Marsiling |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | - |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Yishun |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Kembangan |
| York Hotel (Private) Limited | Central | In-House | OM | SO | Serangoon |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OE | SO | Hougang |
| Inhouse Employer | North | In-House | SO | SS | Tuas Link |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSO | Simei |
| York Hotel (Private) Limited | Central | In-House | OM | SSO | Simei |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Simei |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| Inhouse Employer | South | In-House | OE | CSO | Woodlands |
| Pan Pacific Singapore | South | In-House | Security Mgt | SO | Hougang |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
| SEOMEO RELC | Central | In-House | SO | SS | Aljunied |
| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SS | Ang Mo Kio |
