| Prosegur Singapore Pte Ltd | East | Industrial / Factory | SSO | SO | Sengkang |
| Prosegur Singapore Pte Ltd | South | Commercial | SSS | SO | Sengkang |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Sengkang |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SSS | Sengkang |
| SATS Ltd | Island Wide | - | Inves | SS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Sengkang |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SS | Sengkang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Sengkang |
| Pan Pacific Singapore | South | In-House | Security Mgt | SS | Sengkang |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SS | Sengkang |
| Inhouse Employer | Central | Healthcare | OE | SS | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Sengkang |
| Prosegur Singapore Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Sengkang |
| Concorde Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Inhouse Employer | Central | Country Club | OM | SS | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Sembawang |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Sembawang |
| Dragnet Smartech Security Pte Ltd | South | Mix-Development | SSS | CSO | Sembawang |
| Inhouse Employer | Central | Healthcare | OE | SS | Sembawang |
| Inhouse Employer | Central | Country Club | OM | SS | Sembawang |
