| Fervour Pte Ltd | Island Wide | - | OM | CSO | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Sengkang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | CSO | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SO | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| AETOS Holdings Pte Ltd | West | - | SO | SO | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Elid Technology International Pte Ltd | North | Condominium | SO | SO | Sengkang |
| GATES PCM Integrated Services Pte Ltd | East | Condominium | SO | SO | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SO | Sengkang |
| Elid Technology International Pte Ltd | North | Condominium | SO | SO | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
