| Mahesh | Central | In-House | SO | SO | Bedok |
| GWC Commercial Pte. Ltd. | Central | Commercial | SO | SO | Bedok |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| Inhouse Employer | East | Country Club | SO | SO | Bedok |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SO | - |
| Serangoon Gardens Country Club | Central | Country Club | SO | SO | Bedok |
| Inhouse Employer | North | Commercial | SO | SS | Sembawang |
| Inhouse Employer | Central | School | SO | SSO | Marsiling |
| Certis Group | West | Retail | SO | SS | Choa Chu Kang |
| Brink's Singapore Pte Ltd | East | - | SO | Nil | Tampines |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | School | SO | SO | Yishun |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SO | - |
| Certis Group | East | Gov Building | SO | SO | Bedok |
| Certis Group | East | Gov Building | SO | SO | Bedok |
| Horus I (Private Limited) | Central | Retail | SO | SSO | Pasir Ris |
| First Security & Private Investigation (Singapore) Pte Ltd | Central | Retail | SO | SS | Punggol |
| Reachfield Security & Safety Management Pte Ltd | East | Industrial / Factory | SO | SO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | East | Industrial / Factory | SO | SO | Bedok |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SSO | Marsiling |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Aspectus Consultancy Pte Ltd | North | Industrial / Factory | SO | SSO | Yishun |
| Premier Security Co-operative Ltd | North | Commercial | SO | SSO | Yishun |
| RAS Security Pte Ltd | East | Commercial | SO | SO | Bedok |
| Trek Investigations & Security Management Services Pte Ltd | Central | Commercial | SO | CSO | Ang Mo Kio |
