| Fervour Pte Ltd | Island Wide | - | OM | SO | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| SATS Ltd | Island Wide | - | OM | SSO | Hougang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Ang Mo Kio |
| First Security & Private Investigation (Singapore) Pte Ltd | West | Condominium | SS | SO | Bukit Panjang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SO | Pasir Ris |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| Fervour Pte Ltd | North | Healthcare | SSO | SSO | Admiralty |
| SATS Ltd | Island Wide | - | Inves | Nil | Tampines East |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SSS | Ang Mo Kio |
| Dragnet Smartech Security Pte Ltd | South | Mix-Development | SSS | CSO | Sembawang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Bras Basah |
| Securus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| Prosec Services Pte Ltd | South | Commercial | SSS | SSS | Woodlands |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Lakeside |
