| York Hotel (Private) Limited | Central | In-House | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| Serangoon Gardens Country Club | Central | Country Club | SO | SO | Bedok |
| Inhouse Employer | Central | Hotel | SO | SO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | Central | School | SO | SO | Tiong Bahru |
| Prosec Services Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SSS | Tampines |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SSS | Tampines |
| Security Masters Pte Ltd | Central | Data Centre | SS | SS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Bukit Panjang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Sengkang |
| TwinRock Global | Central | - | Security Mgt | SSS | Jurong East |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Jurong East |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Jurong East |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSS | Jurong East |
| Inhouse Employer | Central | School | SO | SO | Bedok |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Dover |
| York Hotel (Private) Limited | Central | In-House | OM | SO | Bukit Batok |
| York Hotel (Private) Limited | Central | In-House | SO | SO | Bedok |
| Peregrine Security Pte. Ltd. | Central | School | SO | SO | Bedok |
| Serangoon Gardens Country Club | Central | Country Club | SO | SO | Bedok |
| Paradox Singapore Merchant Court | Central | Hotel | SSO | SO | Bedok |
