| GWC Commercial Pte. Ltd. | Central | Commercial | SO | SSO | Woodlands |
| Inhouse Employer | East | In-House | SO | SO | - |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Sembawang |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Sengkang |
| Inhouse Employer | Central | In-House | SS | SS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | Inves | SS | Clementi |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| TwinRock Global | Central | - | OE | SO | - |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SO | Sengkang |
| Ademco Security Pte Ltd | West | Industrial / Factory | SSO | SSO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Star Security Services | Island Wide | - | Security Mgt | SS | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| Inhouse Employer | North | Commercial | SO | SSO | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSO | MacPherson |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Soverus Pte Ltd | North | School | SO | SO | Serangoon |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Industrial / Factory | SS | SS | Pioneer |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
