| First Security & Private Investigation (Singapore) Pte Ltd | West | Condominium | SSO | SSO | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SSO | SSO | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Bukit Batok |
| Certis Group | Central | Commercial | SO | SO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SO | Bukit Batok |
| Peregrine Security Pte. Ltd. | Central | - | SSO | SO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SO | Bukit Batok |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | Bukit Batok |
| Certis Group | Central | Commercial | SO | SSO | Bukit Batok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | SSO | Bukit Batok |
| TwinRock Global | Central | - | SO | SSO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | Central | Mix-Development | SO | SSO | Bukit Batok |
| Resorts World Sentosa | South | Commercial | SO | SSO | Bukit Batok |
| Kingston Property Maintenance Services Pte Ltd | West | Condominium | SO | SSO | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Uniforce Security Services Pte Ltd | Central | - | SSO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SS | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | North | - | SSO | SSO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| SECOM Smart (Singapore) Pte. Ltd. | West | Commercial | SSO | SSO | Bukit Batok |
