| Acestes Pte Ltd | Central | - | Security Mgt | SO | Yishun |
| Acestes Pte Ltd | Central | - | Security Mgt | SSO | Simei |
| Acestes Pte Ltd | Central | - | Security Mgt | SSO | Punggol |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Boon Lay |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Boon Lay |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Sengkang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Sengkang |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Woodlands |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSO | Simei |
| Pan Pacific Singapore | South | In-House | Security Mgt | SO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Ang Mo Kio |
| Star Security Services | Island Wide | - | Security Mgt | SS | Ang Mo Kio |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSO | Boon Lay |
| Star Security Services | Island Wide | - | Security Mgt | SS | Kranji |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Sengkang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kranji |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Pan Pacific Singapore | South | In-House | Security Mgt | SS | Kranji |
| Star Security Services | Island Wide | - | Security Mgt | SS | - |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Yishun |
| Pan Pacific Singapore | South | In-House | Security Mgt | Nil | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
