| Artyzen Singapore | Central | Hotel | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Tampines East |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SO | Khatib |
| Concorde Security Pte Ltd | Central | Commercial | SO | SS | Farrer Park |
| Inhouse Employer | South | Hotel | SO | SO | Woodlands |
| Certis Group | Island Wide | - | SO | CSO | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SO | SO | MacPherson |
| Inhouse Employer | Central | In-House | SO | CSO | Yishun |
| Inhouse Employer | South | In-House | SO | CSO | Yishun |
| Inhouse Employer | North | In-House | SO | CSO | Yishun |
| Inhouse Employer | North | In-House | SO | CSO | Yishun |
| Inhouse Employer | South | Hotel | SO | SO | Bedok |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Woodlands |
| ONE°15 Marina Sentosa Cove, Singapore | South | Country Club | SO | SO | Bedok |
| Inhouse Employer | Central | School | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| Force-One Security | Central | Commercial | SO | SO | Hougang |
| Inhouse Employer | North | In-House | SO | SO | Pasir Ris |
| Prosec Services Pte Ltd | East | Retail | SO | SO | Pasir Ris |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Pasir Ris |
| Royal Security Management Services Pte Ltd | East | Commercial | SO | SO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SO | SO | Pasir Ris |
| A-SAT Pte Ltd | East | Construction | SO | SO | Pasir Ris |
