| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Admiralty |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| Inhouse Employer | Central | Hotel | SO | SS | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SSS | Pasir Ris |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Concorde Security Pte Ltd | Central | Commercial | SO | SSO | Redhill |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | Island Wide | - | OE | CSO | Marsiling |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Jurong East |
| TwinRock Global | Central | - | Security Mgt | SS | Tampines |
| Force-One Security | North | Data Centre | SS | SSS | Yishun |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Yishun |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SO | SO | Bukit Gombak |
| SATS Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Aedge Services Pte Ltd | Island Wide | - | OM | SSS | Commonwealth |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Kranji |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
