| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | SS | Woodlands |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Woodlands |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Woodlands |
| Certis Group | Central | Commercial | SO | SO | Bukit Batok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | SO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SSS | Tampines |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Punggol |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Tampines |
| Straits Retail Property Management Services Pte. Ltd. | Central | In-House | SO | SS | Pioneer |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SSO | SS | Pioneer |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Yishun |
| H World Holdings Singapore Pte. Ltd. | Central | In-House | SO | CSO | Yishun |
| TwinRock Global | Central | - | SO | CSO | Yishun |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Pasir Ris |
| York Hotel (Private) Limited | Central | In-House | SS | SS | Sengkang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Woodlands |
| Security Masters Pte Ltd | Central | Data Centre | SS | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Hougang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Hougang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Hougang |
| TwinRock Global | Central | - | Security Mgt | SS | Hougang |
