| RAS Security Pte Ltd | North | In-House | Office Team | SS | Punggol |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Securus Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Mountbatten |
| Reachfield Security & Safety Management Pte Ltd | South | School | SO | SO | Punggol |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SSO | SSO | Tampines |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Yishun |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Pioneer |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Woodlands |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Admiralty |
| Premier Security Co-operative Ltd | South | Commercial | SS | SSS | Tanjong Pagar |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Tampines |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Sembawang |
| Elid Technology International Pte Ltd | North | Condominium | SO | SSO | Yishun |
| TwinRock Global | Central | - | Security Mgt | CSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Bukit Batok |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Bukit Batok |
| Union Security Services Pte. Ltd. | Island Wide | - | SSO | SSO | - |
| Soverus Pte Ltd | Island Wide | - | OE | SSO | Woodlands |
| GATES PCM Integrated Services Pte Ltd | Central | School | SO | SO | Punggol |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Sengkang |
| A-SAT Pte Ltd | North | Mix-Development | SSO | SS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
