| SATS Ltd | Island Wide | - | OM | SSS | Queenstown |
| Inhouse Employer | South | School | SO | SO | Yishun |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Punggol |
| Certis Group | Central | Commercial | SO | SSO | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Jurong East |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Boon Lay |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Hougang |
| Resorts World Sentosa | South | Commercial | SO | Nil | Jurong East |
| Orchid Hotel Private Limited | Central | In-House | SSO | SSO | Bukit Gombak |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Jurong East |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Ang Mo Kio |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | SSO | Bedok North |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Ademco Security Pte Ltd | West | Mix-Development | SO | SO | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| SATS Ltd | East | - | OE | SS | Woodlands |
| Union Security Services Pte Ltd | North | Healthcare | SO | SS | Woodlands South |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Toa Payoh |
| SATS Ltd | Island Wide | - | OM | SO | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Hougang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SS | Punggol |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
