| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Fervour Pte Ltd | North | Healthcare | SSO | SSO | Admiralty |
| Prospect Protection Pte Ltd | West | Construction | SS | SS | - |
| Force-One Security | Central | Industrial / Factory | SO | SO | Bras Basah |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SO | Yishun |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Crowne Plaza Changi Airport | East | Hotel | SO | SS | Pasir Ris |
| Eagle I Security Services Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Eunos |
| Jasa Investigation & Security Services Pte Ltd | West | Industrial / Factory | SSO | SSO | Tuas Link |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| Inhouse Employer | Central | In-House | SS | CSO | Pioneer |
| SATS Ltd | Island Wide | - | OM | Nil | Ang Mo Kio |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Sembawang |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SSS | Pasir Ris |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Industrial / Factory | SS | SS | Simei |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| Certis Group | South | Healthcare | SS | SS | Hougang |
