| TwinRock Global | Central | - | Security Mgt | SO | Woodlands |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Inhouse Employer | North | In-House | SO | SS | Punggol |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Punggol |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| TwinRock Global | Central | - | Security Mgt | CSO | Sengkang |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| Inhouse Employer | Island Wide | Construction | OM | SO | Sembawang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Yishun |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Tampines |
| Inhouse Employer | Central | Hotel | SO | SSO | - |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Inhouse Employer | Island Wide | Construction | OM | SSS | MacPherson |
| Force-One Security | North | Data Centre | OE | SSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | CSO | Marsiling |
| PICO Guards Pte Ltd | Island Wide | - | OE | Nil | Ang Mo Kio |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | Sengkang |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Hougang |
| Elitez Security Pte Ltd | Central | Commercial | SSS | SSS | Tampines West |
| Certis Group | Island Wide | - | SSO | SO | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Yishun |
| PICO Guards Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| IGC Security Services Pte Ltd | South | Industrial / Factory | SO | SO | Punggol |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
