| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Bukit Panjang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Bukit Panjang |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Legion Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Bukit Panjang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Bukit Panjang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Bukit Panjang |
| Hawkeye Security Solutions Pte Ltd | West | Industrial / Factory | SS | SS | Bukit Panjang |
| Ademco Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Aigle Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
