| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | 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 |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Bukit Batok |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| 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 |
