| RAS Security Pte Ltd | North | Commercial | OE | SS | Yishun |
| Premier Security Co-operative Ltd | North | School | SSO | SSO | Potong Pasir |
| Ademco Security Pte Ltd | North | Industrial / Factory | SS | SO | Ang Mo Kio |
| Inhouse Employer | North | Commercial | SO | SS | Sembawang |
| Force-One Security | North | Data Centre | SS | SS | Woodlands |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SSO | Marsiling |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SSO | Marsiling |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SSO | Marsiling |
| RAS Security Pte Ltd | North | Commercial | OE | SSO | Marsiling |
| Force-One Security | North | Data Centre | OE | SSO | Marsiling |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Force-One Security | North | Data Centre | SS | SSS | Sengkang |
| Force-One Security | North | Data Centre | SS | SSS | Sengkang |
| Force-One Security | North | Data Centre | SS | CSO | Ang Mo Kio |
| Aspectus Consultancy Pte Ltd | North | Industrial / Factory | SO | SSO | Yishun |
| Premier Security Co-operative Ltd | North | Commercial | SO | SSO | Yishun |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SSO | Tampines |
| Triple ‘S’ Protection Pte Ltd | North | Depot | SSO | SSO | Tampines |
| Aspectus Consultancy Pte Ltd | North | Depot | SO | SO | Yishun |
| Elid Technology International Pte Ltd | North | Condominium | SO | SO | Yishun |
| Elid Technology International Pte Ltd | North | Condominium | SO | SO | Yishun |
| Ascentiaa Security Management Pte Ltd | North | Condominium | SO | SO | Yishun |
