| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SO | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SO | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Pioneer |
| Focus Security Services Pte Ltd | Central | Retail | SSO | SSO | Tampines |
| Force-One Security | Central | Commercial | SO | SSO | Tampines |
| AGS Integration Pte. Ltd. | Central | Commercial | SSO | SSO | Tampines |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SSO | SSO | Tampines |
| Paradox Singapore Merchant Court | Central | Hotel | SSO | SS | Choa Chu Kang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Pioneer |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Pioneer |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Pioneer |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SSS | Pioneer |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Pioneer |
| TwinRock Global | Central | - | Security Mgt | SSS | Pioneer |
| M Social Singapore | Central | Hotel | OE | SS | Yishun |
| Inhouse Employer | Central | Hotel | SS | SS | Yishun |
| Soverus Pte Ltd | Central | Commercial | SSS | SSS | Pioneer |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
| GCH Pte. Ltd. | Central | In-House | SSO | SS | Yishun |
| FormTeam Consultancy Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Inhouse Employer | Central | In-House | SS | SS | Yishun |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Choa Chu Kang |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SO | Bukit Panjang |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Marsiling |
