| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SO | Punggol |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Soverus Pte Ltd | Central | Commercial | SSS | SSS | Pioneer |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Hougang |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Artyzen Singapore | Central | Hotel | SS | SSS | Toa Payoh |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSS | Bukit Batok |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Jurong East |
| York Hotel (Private) Limited | Central | In-House | OM | SS | - |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | - |
| M Social Singapore | Central | Hotel | OE | SS | - |
| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| M Social Singapore | Central | Hotel | OE | SSS | Toa Payoh |
| Inhouse Employer | Central | Mix-Development | OE | SSS | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Pasir Ris |
| Inhouse Employer | Central | Hotel | OE | SS | Jalan Besar |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| Certis Group | Central | School | SS | SS | Marsiling |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
