| Soverus Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Dragnet Smartech Security Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Soverus Pte Ltd | South | In-House | SS | SS | Sengkang |
| Eagle I Security Services Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | SS | SS | Sengkang |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | Nil | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | CSO | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Sengkang |
| SATS Ltd | Island Wide | - | OM | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Sengkang |
