| Fervour Pte Ltd | Island Wide | - | OM | CSO | Yew Tee |
| PICO Guards Pte Ltd | South | Commercial | SSS | CSO | Marsiling |
| SATS Ltd | Island Wide | - | Inves | SO | Hougang |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | - |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSO | Simei |
| M Social Singapore | Central | Hotel | OE | SO | Jurong East |
| Peregrine Security Pte. Ltd. | South | Office Building | SS | SSS | Ang Mo Kio |
| Inhouse Employer | South | In-House | SO | SSS | MacPherson |
| Aigle Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SO | SO | Simei |
| Bulls-Eye Security Services Pte Ltd | East | Healthcare | SO | SO | Bukit Gombak |
| Prospect Protection Pte Ltd | East | Industrial / Factory | SO | SO | Simei |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Aljunied |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SO | Bukit Batok |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Focus Security Services Pte Ltd | West | Industrial / Factory | SSO | SSO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SS | Pioneer |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | CSO | Ang Mo Kio |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Toa Payoh |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| Inhouse Employer | East | School | SO | SSS | MacPherson |
| SMS Security | North | Condominium | SO | SSO | Woodlands |
| Ascentiaa Security Management Pte Ltd | Island Wide | Condominium | SS | SS | Boon Lay |
