| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Dover |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Dover |
| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Dover |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Dover |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Dover |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines |
| TwinRock Global | Central | - | Security Mgt | SSO | MacPherson |
| Inhouse Employer | Central | Country Club | OM | CSO | Boon Lay |
| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
| Ranger Investigation & Security Services Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Premier Security Co-operative Ltd | Central | - | SS | SSO | Simei |
| Force-One Security | Central | Commercial | SO | SO | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Commercial | SSO | SO | Outram Park |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Tampines |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Bedok Reservoir |
| Concorde Security Pte Ltd | Central | Commercial | SO | SSO | Redhill |
| Dorsett Singapore | Central | Hotel | SO | SSO | Redhill |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Dover |
| Straits Retail Property Management Services Pte. Ltd. | Central | In-House | SO | SS | Pioneer |
| Reachfield Security & Safety Management Pte Ltd | Central | Gov Building | SO | SSO | Tiong Bahru |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Farrer Park |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Farrer Park |
