| Securus Pte Ltd | Island Wide | Commercial | SO | SO | Punggol |
| Securus Pte Ltd | Island Wide | Commercial | SO | SO | Punggol |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Choa Chu Kang |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SO | Yishun |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Star Security Services | Island Wide | - | OE | SS | Bukit Panjang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Legion Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Bukit Panjang |
| SATS Ltd | Island Wide | - | OM | CSO | Queenstown |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Queenstown |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSS | Tampines |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Bedok |
| Star Security Services | Island Wide | - | OE | CSO | Bedok |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Tampines West |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
