| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Inhouse Employer | Central | In-House | SSS | SS | Bukit Panjang |
| Ademco Security Pte Ltd | Island Wide | - | OE | SS | Ang Mo Kio |
| ADT Integrated Security Solutions Pte. Ltd. | West | Commercial | SSO | SSO | Bukit Batok |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Yishun |
| Inhouse Employer | Central | Hotel | SO | SSO | - |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Peregrine Security Pte. Ltd. | North | Healthcare | SSO | SS | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | Nil | Boon Lay |
| Peregrine Security Pte. Ltd. | Central | - | SSO | SO | Bukit Batok |
| Inhouse Employer | West | Industrial / Factory | SO | SSO | Tuas Link |
| FormTeam Consultancy Pte Ltd | South | Events | OE | SS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Inhouse Employer | North | In-House | SO | SO | Woodlands |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SSO | Woodlands |
| SATS Ltd | Island Wide | - | OM | SSO | Boon Lay |
| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
