| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Punggol |
| PICO Guards Pte Ltd | Central | Commercial | SSS | CSO | Clementi |
| SATS Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SS | Hougang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | HarbourFront |
| Security Masters Pte Ltd | North | Commercial | CSO | SSS | Bishan |
| Inhouse Employer | East | School | SO | SO | Serangoon |
| Pan Pacific Singapore | South | In-House | Security Mgt | SSS | Potong Pasir |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Pasir Ris |
| IGC Security Services Pte Ltd | North | Commercial | SO | SO | Punggol |
| Fervour Pte Ltd | West | School | SO | Nil | Woodlands |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Yishun |
| Inhouse Employer at Changi | East | Commercial | OE | SSO | Buangkok |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SSO | Khatib |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | SS | Ang Mo Kio |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| Union Security Services Pte Ltd | North | Industrial / Factory | SSO | SSO | Ang Mo Kio |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SSO | SSO | - |
