| 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 |
| SYSTEMBOARD LIMITED | Private company limited by shares | Dissolved |
| SYSTEMCARD ASIA LIMITED | Private company limited by shares | Dissolved |
| SYSTEM-COM LIMITED | Private company limited by shares | Dissolved |
| NPC SYSTEM.COM LIMITED | Private company limited by shares | Dissolved |
| SYSTEMDEK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Hopscotch Systeme Asia Limited | Private company limited by shares | Live |
| SYNTHESIS SYSTEMES LIMITED | Private company limited by shares | Dissolved |
| SYSTEMGRAFX LIMITED | Private company limited by shares | Dissolved |
| SYSTEMHOUSE LIMITED | Private company limited by shares | Dissolved |
| SYSTEMIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYSTEMIC TRADING LIMITED | | Live |
| Systemize Technology Limited | Private company limited by shares | Dissolved |
| SYSTEMLINE LIMITED | Private company limited by shares | Dissolved |
| SYSTEMLINK LIMITED | Private company limited by shares | Live |
| SYSTEMLINK HK LIMITED | Private company limited by shares | Live |
| SYSTEMLUX LIMITED | Private company limited by shares | Live |
| Systemo Limited | Private company limited by shares | Live |
| SYSTEMONE LIMITED | Private company limited by shares | Live |
| SystemOne Limited | | Live |
| SYSTEM-ONE COMPUTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYSTEM-ONE COMPUTER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SYSTEMONE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SYSTEMPARTS HARDWARE CORPORATION LIMITED | Private company limited by shares | Live |
| SYSTEMPORT LIMITED | Private company limited by shares | Dissolved |
| SYSTEMPOWER (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SYSTEMPRESS LIMITED | Private company limited by shares | Dissolved |
| System-Pro Limited | Private company limited by shares | Live |
| SYSTEM-PRO INVESTMENT LIMITED | Private company limited by shares | Live |
| SYSTEM-PRO SOLUTIONS LIMITED | Private company limited by shares | Live |
| SYSTEM-R LIMITED | Private company limited by shares | Dissolved |
| RDM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CTS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HWA YIK SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DSP SYSTEMS LIMITED | Private company limited by shares | Live |
| CPU SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HPT SYSTEMS LIMITED | Private company limited by shares | Live |
| CIM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| L & M SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| G & S SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DBA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LAN SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LSC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| 0-1 SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| 3A SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JMC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TTM SYSTEMS LIMITED | Private company limited by shares | Live |
| TTC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DE LA RUE SYSTEMS LIMITED | Private company limited by shares | Live |
| D & P SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| F & P SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DI SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PCB SYSTEMS LIMITED | Private company limited by shares | Live |
| B O B SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GMP AIR SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| VCP SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KW SYSTEMS LIMITED -THE- | Private company limited by shares | Dissolved |
| CTS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PIL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TAI ON SYSTEMS CO. LIMITED | Private company limited by shares | Dissolved |
| I & C SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| NEW ERA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| NCI SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JH SYSTEMS LIMITED | Private company limited by shares | Live |
| CJB SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PNB IFL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| IBC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CMU SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Q M SYSTEMS LIMITED | Private company limited by shares | Live |
| ETC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| IBS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| AEC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CAS SYSTEMS LIMITED | Private company limited by shares | Live |
| UNI SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| E SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| A3 SYSTEMS LIMITED | Private company limited by shares | Live |
| TWO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| D & D SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| AIC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DVM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CAU EV Systems Limited | Private company limited by shares | Live |
| LP SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| B & B SYSTEMS LIMITED | Private company limited by shares | Live |
| P & R SYSTEMS LIMITED | Private company limited by shares | Live |
| BEE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DNA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GO ON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| E & A SYSTEMS LIMITED | Private company limited by shares | Live |
| BC SYSTEMS LIMITED | Private company limited by shares | Dissolved |