| SATS Ltd | Island Wide | - | Inves | SS | Choa Chu Kang |
| Concorde Security Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Hougang |
| 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 |
| Inhouse Employer | Island Wide | Construction | OM | SS | Pioneer |
| SATS Ltd | Island Wide | - | OM | SS | Pioneer |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Pioneer |
| 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 |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SS | Kaki Bukit |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Kaki Bukit |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Kaki Bukit |
| Singapore Security Force Pte Ltd | Island Wide | - | OE | SS | Kaki Bukit |
