| Star Security Services | Island Wide | - | Security Mgt | Nil | Bukit Batok |
| SATS Ltd | Island Wide | - | Inves | Nil | Bukit Batok |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | Nil | Bukit Batok |
| Mainguard Security Services (S) Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Bedok |
| Premier Security Co-operative Ltd | South | Commercial | SO | Nil | Bukit Batok |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| Hotel Grand Central | Central | Hotel | Security Mgt | Nil | Yishun |
| Orchid Hotel Private Limited | Central | In-House | OM | Nil | Yishun |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Pan Pacific Singapore | South | In-House | Security Mgt | Nil | Yishun |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Yishun |
