| G4S Secure Solutions (Singapore) Pte Ltd | West | Commercial | SS | SO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| Inhouse Employer | East | In-House | SO | SO | - |
| Inhouse Employer | East | In-House | SO | SO | - |
| Serangoon Gardens Country Club | Central | Country Club | SO | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | - |
| Resorts World Sentosa | South | Commercial | SO | SO | - |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | SO | Woodlands |
| Force-One Security | North | Data Centre | OE | SO | Woodlands |
| Certis Group | Island Wide | - | SSO | SO | Woodlands |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SO | Woodlands |
| Triple ‘S’ Protection Pte Ltd | Island Wide | Commercial | SO | SO | - |
| SMS Investigation & Security Pte Ltd | West | Condominium | SO | SO | Choa Chu Kang |
| TwinRock Global | South | Condominium | SO | SO | Choa Chu Kang |
| Certis Group | Central | Industrial / Factory | SSO | SO | Choa Chu Kang |
| Inhouse Employer | Central | Hotel | OE | SO | Choa Chu Kang |
| GoMobile Security Solutions Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| SATS Ltd | Island Wide | Commercial | APO | SO | Choa Chu Kang |
| Pedro Investigations & Security Services Pte. Ltd. | Central | Industrial / Factory | SO | SO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | SO | Yishun |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| SATS Ltd | Island Wide | Commercial | SO | SO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SO | - |
| Securus Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| PICO Guards Pte Ltd | Central | School | SSO | SO | Boon Lay |
