| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Pasir Ris |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SO | - |
| PICO Guards Pte Ltd | Island Wide | - | OE | SO | - |
| Force-One Security | North | Data Centre | OE | SO | - |
| Securus Pte Ltd | Island Wide | - | OE | SO | - |
| Securus Pte Ltd | Island Wide | - | OE | SO | - |
| Inhouse Employer | Island Wide | - | OE | SO | - |
| TwinRock Global | Central | - | OE | SO | - |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Concorde Security Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Inhouse Employer | West | School | OE | SSS | Woodlands |
| Concorde Security Pte Ltd | Island Wide | - | OE | SSS | Lakeside |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | West | School | OE | CSO | Bukit Panjang |
| Inhouse Employer | West | School | OE | CSO | Bukit Panjang |
| Inhouse Employer | West | School | OE | SSO | Marsiling |
| Force-One Security | North | Data Centre | OE | SSO | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
