| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Woodlands |
| Force-One Security | North | Data Centre | SS | SSO | Simei |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SS | Hougang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Sengkang |
| Artyzen Singapore | Central | Hotel | SS | SS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| Premier Security Co-operative Ltd | Island Wide | - | SS | SS | Bukit Panjang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Choa Chu Kang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Bedok |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Pasir Ris |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Pasir Ris |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Boon Lay |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | SS | SSO | Boon Lay |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Boon Lay |
| Artyzen Singapore | Central | Hotel | SS | SS | Toa Payoh |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Choa Chu Kang |
| FormTeam Consultancy Pte Ltd | West | Condominium | SS | SSS | Ang Mo Kio |
| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SS | SS | Tampines |
| RAS Security Pte Ltd | East | Commercial | SS | SS | Tampines |
| Artyzen Singapore | Central | Hotel | SS | SS | Tampines |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SS | Hougang |
