| Shine Security Agency Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Metropolis Security Systems Pte Ltd | Central | - | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| Inhouse Employer | South | School | SO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Bukit Batok |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SO | Bukit Batok |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Bukit Batok |
| Elid Technology International Pte Ltd | West | Condominium | SS | SO | Bukit Batok |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| 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 |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | OE | SSS | Bukit Batok |
