| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Jurong East |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SSO | - |
| Inhouse Employer | Central | Hotel | SS | SS | Marsiling |
| Inhouse Employer | Central | Hotel | SS | SS | Hougang |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Riverfort Pte Ltd | Central | Hotel | SO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | OE | SSO | Bukit Batok |
| Hawkeye Security Solutions Pte Ltd | Central | Hotel | SSO | SSO | Bukit Batok |
| Artyzen Singapore | Central | Hotel | SO | SSO | Bukit Batok |
| Artyzen Singapore | Central | Hotel | SS | SO | Yishun |
| Artyzen Singapore | Central | Hotel | SS | SS | Marsiling |
| Inhouse Employer | Central | Hotel | SO | SS | Pioneer |
| Inhouse Employer | Central | Hotel | SO | SO | Tuas Link |
| Crowne Plaza Changi Airport | East | Hotel | SO | SS | Pasir Ris |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SO | Woodlands |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SSO | Sengkang |
| Artyzen Singapore | Central | Hotel | SS | CSO | Marsiling |
| Inhouse Employer | Central | Hotel | OE | SO | Choa Chu Kang |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| William Secure Solutions Pte Ltd | Central | Hotel | SO | SSO | - |
