| Securus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OE | CSO | Pasir Ris |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Pasir Ris |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | CSO | Choa Chu Kang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| RAS Security Pte Ltd | North | Commercial | OE | CSO | Choa Chu Kang |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | CSO | Choa Chu Kang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SS | Punggol |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
