| 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 |
| William Secure Solutions Pte Ltd | Central | Condominium | SS | SS | Serangoon |
| Inhouse Employer | Central | Healthcare | OE | SSO | Serangoon |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SO | SO | Serangoon |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Serangoon |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Serangoon |
| Inhouse Employer | East | School | SO | SO | Serangoon |
| Inhouse Employer | East | School | SO | SO | Serangoon |
| York Hotel (Private) Limited | Central | In-House | OM | SO | Serangoon |
| SATS Ltd | Island Wide | - | OM | SO | Serangoon |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SO | Serangoon |
| Certis Group | Island Wide | Gov Building | APO | SO | Serangoon |
| SATS Ltd | Island Wide | - | OM | Nil | Serangoon |
| Soverus Pte Ltd | North | School | SO | SO | Serangoon |
| Soverus Pte Ltd | North | School | SO | SO | Serangoon |
| Force-One Security | North | Data Centre | SO | SO | Serangoon |
