| Elid Technology International Pte Ltd | Central | Hotel | SSO | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Artyzen Singapore | Central | Hotel | SS | SS | Farrer Park |
| SMS Security | East | Retail / Mall | SO | SO | Eunos |
| SMS Security | East | Retail / Mall | SO | SO | Eunos |
| SATS Ltd | East | - | OE | SS | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SO | SSO | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Eunos |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Eunos |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Eunos |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Eunos |
| Fervour Pte Ltd | East | Healthcare | SO | SO | Eunos |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Dover |
| TwinRock Global | Central | - | Security Mgt | SSS | Dover |
| Inhouse Employer | West | School | OE | SSS | Dover |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Dover |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Dover |
| King's Security and Safety Management Pte Ltd | Island Wide | - | Sec Tech / Eng | SO | Dover |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Dover |
| Inhouse Employer | South | In-House | OE | SS | Dover |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Dover |
