| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Pioneer |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Bukit Panjang |
| Inhouse Employer | North | In-House | SO | SS | Jalan Besar |
| Acestes Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| Inhouse Employer | Central | Hotel | SO | SSO | - |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SO | SSO | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Sengkang |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SSO | - |
| SMS Investigation & Security Pte Ltd | East | Condominium | SSO | SS | Punggol |
| Certis Group | Central | Commercial | SO | SSO | Choa Chu Kang |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Eunos |
| Jasa Investigation & Security Services Pte Ltd | East | Condominium | SS | SS | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| TwinRock Global | South | Condominium | SO | SO | Choa Chu Kang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Sengkang |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Concorde Security Pte Ltd | East | Commercial | SO | SO | Sengkang |
| SATS Ltd | Island Wide | - | Inves | SS | - |
| Royal Security Management Services Pte Ltd | East | Gov Building | SO | SO | Simei |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Marsiling |
