| Force-One Security | Central | Commercial | SO | SSO | Simei |
| Inhouse Employer | North | Commercial | SO | SSO | Boon Lay |
| Inhouse Employer | South | School | SO | SO | Yishun |
| Inhouse Employer | East | Country Club | SO | SO | Yishun |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
| Inhouse Employer | East | Country Club | SO | SO | Tampines |
| SEOMEO RELC | Central | In-House | SO | SS | Aljunied |
| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
| Inhouse Employer | East | Country Club | SO | SO | Tampines |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Guthrie FMC Security Pte Ltd | West | Dormitory | SO | SO | Woodlands |
| GATES PCM Integrated Services Pte Ltd | West | School | SO | SO | Woodlands |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| Certis Group | Island Wide | - | SO | SO | Yishun |
| Certis Group | East | - | SO | SSO | Simei |
| Certis Group | East | - | SO | SO | Pasir Ris |
| Certis Group | East | Gov Building | SO | SO | Pasir Ris |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| Straits Retail Property Management Services Pte. Ltd. | Central | In-House | SO | SO | Pasir Ris |
| Certis Group | Island Wide | - | SO | SO | Bedok |
| Inhouse Employer | East | Country Club | SO | SO | Tampines |
| Inhouse Employer | East | Country Club | SO | SO | Tampines |
