| Crowne Plaza Changi Airport | East | In-House | OM | SS | Pasir Ris |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Yishun |
| TwinRock Global | Central | - | Security Mgt | SSS | Jurong East |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Jurong East |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Bukit Panjang |
| Dragnet Smartech Security Pte Ltd | West | Commercial | SSS | SSS | Choa Chu Kang |
| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Bedok |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Orchid Hotel Private Limited | Central | In-House | SSO | SSO | - |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| Elitez Security Pte Ltd | West | Commercial | SO | SS | Yishun |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Hougang |
| Legion Protection Pte Ltd | Island Wide | - | OE | SO | Bukit Batok |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Hougang |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SSO | Sengkang |
| William Secure Solutions Pte Ltd | East | Condominium | SSO | SSO | Bukit Batok |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Tampines |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Industrial / Factory | SSS | SSS | Dover |
| Concorde Security Pte Ltd | Central | Commercial | SO | SSO | Pasir Ris |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | CSO | Bedok |
