| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Lakeside |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| SATS Ltd | Island Wide | - | OM | Nil | Dover |
| York Hotel (Private) Limited | Central | In-House | OM | SS | MacPherson |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | Central | In-House | SS | SS | HarbourFront |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| AETOS Holdings Pte Ltd | West | - | SO | SS | Buangkok |
| Inhouse Employer | West | Industrial / Factory | SO | SS | Tuas Link |
| Kingston Property Maintenance Services Pte Ltd | Central | - | SS | SSS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Ang Mo Kio |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Tampines West |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Yew Tee |
| Eagle I Security Services Pte Ltd | East | - | SO | SO | Pasir Ris |
| Acestes Pte Ltd | Central | - | Security Mgt | SSO | Woodlands |
| SATS Ltd | Island Wide | - | OM | SS | Punggol |
| Inhouse Employer | West | School | OE | CSO | Bukit Batok |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Geylang Bahru |
| Kingston Property Maintenance Services Pte Ltd | East | Condominium | SO | SO | Simei |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Artyzen Singapore | Central | Hotel | SO | SSO | Bukit Batok |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | CSO | Pasir Ris |
