| Soverus Pte Ltd | Central | Data Centre | SSO | SS | Hougang |
| Securus Pte Ltd | Island Wide | - | OM | SS | Hougang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Hougang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Hougang |
| Inhouse Employer | Central | Country Club | OM | SSO | Hougang |
| Inhouse Employer | Central | Country Club | OM | SSO | Hougang |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SS | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Force-One Security | North | Data Centre | SO | SO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| SATS Ltd | Island Wide | - | Inves | SO | Hougang |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSO | Hougang |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Inhouse Employer | Central | Healthcare | OE | SSO | Hougang |
| SATS Ltd | Island Wide | - | Inves | Nil | Hougang |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSO | Hougang |
| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SS | Hougang |
