| SATS Ltd | Island Wide | - | OM | Nil | Novena |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Yishun |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Bukit Panjang |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Soverus Pte Ltd | North | Industrial / Factory | SO | SO | Yishun |
| Elid Technology International Pte Ltd | West | Condominium | SO | SSO | Choa Chu Kang |
| A-SAT Pte Ltd | North | Commercial | SSO | SO | Bukit Batok |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | Nil | Ang Mo Kio |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Yishun |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Pioneer |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Bishan |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | West | School | SO | SO | Tampines West |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Jurong East |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Force-One Security | Central | Commercial | SO | SSO | Tampines |
| Focal Investigation & Security Agency Pte Ltd | South | Commercial | SO | SO | Tampines |
