| Fervour Pte Ltd | Island Wide | - | OM | SO | Tampines |
| Orchid Hotel Private Limited | Central | In-House | SSO | SS | Sengkang |
| Inhouse Employer | Island Wide | - | OE | SSS | Redhill |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Managment | CSO | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Bedok |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Bedok |
| RAS Security Pte Ltd | North | Commercial | SSO | Nil | Boon Lay |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Dover |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| Artyzen Singapore | Central | Hotel | SS | SS | Marsiling |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SO | Woodlands |
| TwinRock Global | Central | - | Security Mgt | CSO | Pasir Ris |
| Uniforce Security Services Pte Ltd | East | Commercial | SS | SS | Tampines |
| Metropolis Security Systems Pte Ltd | East | Gov Building | SO | SO | Kaki Bukit |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| PICO Guards Pte Ltd | East | Commercial | SO | SO | Hougang |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Dragnet Smartech Security Pte Ltd | Central | Condominium | SS | SS | - |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SSO | SSO | Bukit Batok |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Sembawang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Bedok |
