| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Ademco Security Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Marsiling |
| Securus Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Marsiling |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Sengkang |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| Certis Group | Island Wide | - | SSO | SS | Sengkang |
| Inhouse Employer | North | Industrial / Factory | SSO | SS | Simei |
| Sands Global Pte Ltd | North | Condominium | SO | SS | Woodlands South |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Choa Chu Kang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Ang Mo Kio |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Marsiling |
| Uniforce Security Services Pte Ltd | Central | Condominium | SS | SS | Marsiling |
| Certis Group | Island Wide | Commercial | SS | SS | Marsiling |
| Aigle Security Pte Ltd | North | Condominium | SS | SS | Marsiling |
