| Star Security Services | Island Wide | - | Security Mgt | CSO | Pasir Ris |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Boon Lay |
| TwinRock Global | East | Condominium | SO | SO | Hougang |
| RAS Security Pte Ltd | North | Commercial | OE | SSS | Woodlands |
| GWC Commercial Pte. Ltd. | Central | Commercial | SO | SSO | - |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| Kingston Property Maintenance Services Pte Ltd | East | Condominium | SO | SO | Simei |
| Inhouse Employer | North | In-House | SO | SSO | Bukit Gombak |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Acestes Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| Premier Security Co-operative Ltd | North | School | SSS | CSO | Marsiling |
| Inhouse Employer | Island Wide | Construction | OM | SS | Tampines |
| Inhouse Employer | Central | Hotel | OE | SSO | Boon Lay |
| Soverus Pte Ltd | Central | Commercial | SSS | SSS | Jurong East |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| GWC Commercial Pte. Ltd. | Central | Commercial | SO | SSO | Woodlands |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Hougang |
| Inhouse Employer | West | In-House | OM | SS | Pasir Ris |
| TwinRock Global | Central | - | Security Mgt | SS | Toa Payoh |
| Security & Risk Solutions Pte. Ltd. | Central | In-House | RSOC/CAMS Op | SS | - |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSS | Potong Pasir |
| Securus Pte Ltd | Island Wide | Commercial | SO | SO | Tampines |
