| Mainguard Security Services (S) Pte Ltd | Island Wide | - | OE | Nil | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| Brink's Singapore Pte Ltd | East | - | SO | Nil | Tampines |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| Inhouse Employer | West | In-House | OM | Nil | Clementi |
| Prosegur Singapore Pte Ltd | South | Commercial | SSS | Nil | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | Nil | Sengkang |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | Nil | - |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Pasir Ris |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SO | Hougang |
| Soverus Pte Ltd | West | Industrial / Factory | SO | SO | - |
| Power Security Guard Agency Pte Ltd | North | Condominium | SO | SO | Khatib |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SO | Bukit Batok |
| Grand Copthorne Waterfront Hotel | Central | Hotel | Security Managment | SO | Toa Payoh |
| Republic of Singapore Yacht Club | West | In-House | SO | SO | - |
| Inhouse Employer | Central | School | SO | SO | - |
| Ademco Security Pte Ltd | West | Industrial / Factory | SO | SO | - |
| Inhouse Employer | West | Industrial / Factory | SO | SO | - |
| Artyzen Singapore | Central | Hotel | SO | SO | - |
| Hilton Garden Inn Singapore Serangoon | Central | In-House | SO | SO | - |
