| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Hougang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Choa Chu Kang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Marsiling |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Choa Chu Kang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Pioneer |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Choa Chu Kang |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | HarbourFront |
| Group Security Service Pte Ltd | East | Condominium | SO | SO | Simei |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
