| Systemair Tech Co., Limited | | Live |
| SYSTEMAIR (HK) LIMITED | Private company limited by shares | Live |
| SYSTEMAR LIMITED | | Live |
| SYSTEMART LIMITED | Private company limited by shares | Dissolved |
| SYSTEMATIC LIMITED | Private company limited by shares | Dissolved |
| I. T. SYSTEMATIC LIMITED | Private company limited by shares | Dissolved |
| Unicorn Service Systematic Limited | Private company limited by shares | Dissolved |
| SystematicEdge Limited | Private company limited by shares | Live |
| M AND M SYSTEMATICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYSTEMATICS ASIA LIMITED | Private company limited by shares | Dissolved |
| SYSTEMATION LIMITED | Private company limited by shares | Dissolved |
| China Housing Systematization Technology Institute Research Co., Limited | Private company limited by shares | Live |
| SYSTEMAX LIMITED | Private company limited by shares | Dissolved |
| SYSTEMAX DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| SYSTEMAX MARKETING LIMITED | Private company limited by shares | Dissolved |