| Securus Pte Ltd | North | Commercial | SO | SO | Yishun |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SSS | Yishun |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SO | Yew Tee |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Inhouse Employer | Central | In-House | SSS | SSS | Choa Chu Kang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| Park Regis by Prince, Singapore | Central | Hotel | SSO | SS | Aljunied |
| Grand Copthorne Waterfront Hotel | Central | Hotel | Security Managment | CSO | Jurong East |
| GATES PCM Integrated Services Pte Ltd | West | Gov Building | SSO | SSO | Boon Lay |
| Certis Group | Central | Commercial | SO | SSO | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SO | Sembawang |
| Aigle Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Pioneer |
| Securus Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SS | Punggol |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| SMS Security | Central | Industrial / Factory | SO | SSO | Tanjong Pagar |
| York Hotel (Private) Limited | Central | In-House | OM | SO | Bukit Batok |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SS | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Ang Mo Kio |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Security Masters Pte Ltd | Central | Data Centre | SS | SSS | Yishun |
| PICO Guards Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
