| Primesafe Security & Investigation Pte Ltd | Island Wide | - | SS | SS | Lavender |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | OE | SSS | Ang Mo Kio |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SSS | Ang Mo Kio |
| Union Security Services Pte. Ltd. | North | - | SSO | CSO | Bedok |
| SATS Ltd | East | - | OE | SO | Woodlands |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | - | SS | SSS | Tampines West |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Dover |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Aigle Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Aigle Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| GATES PCM Integrated Services Pte Ltd | Island Wide | - | OE | SSS | Ang Mo Kio |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SO | Yishun |
| Aedge Services Pte Ltd | Island Wide | - | OM | SO | Bukit Panjang |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Jurong East |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Tiong Bahru |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSO | SS | Yishun |
