| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Woodlands |
| Inhouse Employer | West | In-House | OM | SSO | Boon Lay |
| SATS Ltd | Island Wide | - | OM | Nil | Tampines |
| Force-One Security | Central | Commercial | SO | SO | Bukit Batok |
| Inhouse Employer | West | Industrial / Factory | SO | SSO | Boon Lay |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSS | Sembawang |
| Elid Technology International Pte Ltd | East | Condominium | SS | CSO | Clementi |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Prosec Services Pte Ltd | Central | Commercial | SO | SO | Bukit Batok |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Sembawang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Concorde Security Pte Ltd | East | School | SO | SO | Simei |
| PICO Guards Pte Ltd | Island Wide | - | OE | Nil | Bukit Gombak |
| RAS Security Pte Ltd | East | Commercial | SS | SSS | Sengkang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Inhouse Employer | Island Wide | Construction | OM | SS | Tampines |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Queenstown |
| Securus Pte Ltd | Island Wide | - | OE | SO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Tampines |
