| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Pasir Ris |
| TwinRock Global | Central | - | Security Mgt | CSO | Pasir Ris |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SSO | SSO | - |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SSO | SSO | - |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SS | Aljunied |
| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
| SEOMEO RELC | Central | In-House | SO | SS | Aljunied |
| Fervour Pte Ltd | Central | Data Centre | SO | SSO | - |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | - |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | CSO | Marsiling |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Marsiling |
| TwinRock Global | Central | - | Security Mgt | CSO | Marsiling |
| Iconic Locations S Pte Ltd | Central | In-House | SO | SO | Pasir Ris |
| GATES PCM Integrated Services Pte Ltd | Central | Commercial | SO | SO | Novena |
| Fervour Pte Ltd | Central | Data Centre | SO | SO | Novena |
| GATES PCM Integrated Services Pte Ltd | Central | Commercial | SO | SO | Novena |
| Trek Investigations & Security Management Services Pte Ltd | Central | Condominium | SO | SO | Novena |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSO | Simei |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Simei |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | CSO | Marsiling |
