| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kranji |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Inhouse Employer | East | Country Club | SO | SO | Tampines |
| Inhouse Employer | East | In-House | SO | SO | Punggol |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| SATS Ltd | East | - | OE | SSO | Simei |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| SMS Security | East | Commercial | SSO | SS | Simei |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SO | Sengkang |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Sengkang |
| RAS Security Pte Ltd | East | Commercial | SO | SO | Sengkang |
| Concorde Security Pte Ltd | East | Commercial | SO | SO | Sengkang |
| Premier Security Co-operative Ltd | East | Commercial | SO | SO | Sengkang |
| SMS Investigation & Security Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Certis Group | East | Gov Building | SO | SO | Sengkang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SSO | Tampines |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SS | Punggol |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SS | Punggol |
| Certis Group | East | In-House | SO | SO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Sengkang |
| Certis Group | East | In-House | SO | SO | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | CSO | Sengkang |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Sengkang |
