| Inhouse Employer | West | School | OE | CSO | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Central | Commercial | SSO | SS | Buona Vista |
| Soverus Pte Ltd | Central | Commercial | SSO | SS | Buona Vista |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Buona Vista |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Buona Vista |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | SO | Chinatown |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Chinese Garden |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Chinese Garden |
| Ademco Security Pte Ltd | West | Mix-Development | SO | SO | Choa Chu Kang |
| Inhouse Employer | Island Wide | Construction | OM | SO | Choa Chu Kang |
| Strive Security Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| Aspectus Consultancy Pte Ltd | East | School | SO | SO | Choa Chu Kang |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SS | Choa Chu Kang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Choa Chu Kang |
| Inhouse Employer | Central | Country Club | OM | SS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Choa Chu Kang |
| Regal Security & Fire Management Services Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| Regal Security & Fire Management Services Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| Elitez Security Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| Chang & Chang Security Management Pte. Ltd. | West | Condominium | SO | SO | Choa Chu Kang |
