| GATES PCM Integrated Services Pte Ltd | Central | School | SO | SSO | - |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| TwinRock Global | Central | - | SO | CSO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SO | Choa Chu Kang |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Dover |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | Nil | Ang Mo Kio |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | South | Office Building | SS | SSS | Ang Mo Kio |
| Resorts World Sentosa | South | Commercial | SS | SS | HarbourFront |
| Inhouse Employer | Island Wide | Construction | OM | SS | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SSO | Ang Mo Kio |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | Nil | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SSO | Marsiling |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines |
| GATES PCM Integrated Services Pte Ltd | Island Wide | - | OE | SSS | Ang Mo Kio |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
