| Royal Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Hougang |
| SATS Ltd | Island Wide | - | OM | Nil | Hougang |
| SATS Ltd | Island Wide | - | OM | SO | Hougang |
| Inhouse Employer | Central | Healthcare | OE | SSO | Hougang |
| Fervour Pte Ltd | Central | Data Centre | SO | SO | Hougang |
| SATS Ltd | Island Wide | - | OM | SSO | Hougang |
| Soverus Pte Ltd | Island Wide | - | OE | SO | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OE | SO | Hougang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | Nil | Hougang |
| Pan Pacific Singapore | South | In-House | Security Mgt | SO | Hougang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | Nil | Hougang |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Inhouse Employer | Island Wide | - | OE | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Inhouse Employer | West | In-House | OM | SO | Hougang |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Young Women's Christian Association of Singapore | Central | In-House | Security Mgt | SSO | Hougang |
| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
