| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Marsiling |
| Securus Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Inhouse Employer | Central | Country Club | OM | SS | Bukit Batok |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Riverfort Pte Ltd | Central | Hotel | SO | SSO | Bukit Batok |
| Certis Group | Island Wide | - | SSO | SSS | Yishun |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Marsiling |
| Inhouse Employer | East | Country Club | SO | SO | Yishun |
| PICO Guards Pte Ltd | Central | School | SSO | SSO | Commonwealth |
| SATS Ltd | Island Wide | - | OM | SS | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Hougang |
| Metropolis Security Systems Pte Ltd | West | Industrial / Factory | SSO | SSO | Bukit Batok |
