| Primesafe Security & Investigation Pte Ltd | Island Wide | - | SS | SS | Bukit Panjang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Bukit Panjang |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | - | SS | CSO | Bukit Panjang |
| Ranger Investigation & Security Services Pte Ltd | South | - | SS | CSO | Bukit Panjang |
| Inhouse Employer | South | Mix-Development | OE | CSO | Bukit Panjang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| A-SAT Pte Ltd | Island Wide | - | SSO | CSO | Bukit Panjang |
| A-SAT Pte Ltd | Island Wide | - | SSO | CSO | Bukit Panjang |
| Certis Group | South | Healthcare | SS | SS | Bukit Panjang |
| Storm Protection Pte Ltd | West | Industrial / Factory | SS | SS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Bukit Panjang |
| Union Security Services Pte. Ltd. | West | Condominium | SS | SS | Bukit Panjang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Bukit Panjang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Bukit Panjang |
| Ademco Security Pte Ltd | Island Wide | - | OM | SSS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | West | Commercial | SS | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SS | SS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Bukit Panjang |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Bukit Panjang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
