| 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 |
| Inhouse Employer | Central | Healthcare | OE | SS | Kaki Bukit |
| RAS Security Pte Ltd | North | In-House | Office Team | SS | Kaki Bukit |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kaki Bukit |
| Force-One Security | North | Data Centre | OE | SS | Kaki Bukit |
| Inhouse Employer | Island Wide | - | OE | SS | Kaki Bukit |
| Star Security Services | Island Wide | - | Security Mgt | SS | Kaki Bukit |
| Artyzen Singapore | Central | Hotel | SO | SS | Jurong East |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SS | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Pasir Ris |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SO | Hougang |
