| BOWE SYSTEC CHINA LIMITED | Private company limited by shares | Dissolved |
| SYSTEC SOLUTIONS LIMITED | Private company limited by shares | Live |
| UENO SYSTEC (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SYSTECH LIMITED | Private company limited by shares | Dissolved |
| SYSTECH LIMITED | Private company limited by shares | Dissolved |
| Systech Limited | Private company limited by shares | Live |
| JNS SYSTECH LIMITED | Private company limited by shares | Live |
| SYSTECH CAPITAL LIMITED | Private company limited by shares | Dissolved |
| SYSTECH CENTURY LIMITED | Private company limited by shares | Live |
| SYSTECH TECHNOLOGY CHINA LIMITED | Private company limited by shares | Live |
| SYSTECH TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SYSTECH COMPUTER SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYSTECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SYSTECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SYSTECH BUSINESS CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SYSTECH DESIGN LIMITED | Private company limited by shares | Dissolved |
| SysTech Development Limited | Private company limited by shares | Dissolved |
| SYSTECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| GENESIS SYSTECH LIMITED | Private company limited by shares | Live |
| SYSTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| SOLOMON SYSTECH (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG ESTAR SYSTECH LIMITED | Private company limited by shares | Dissolved |
| ITOCHU SYSTECH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SYSTECH (HONG KONG) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG CNESTAR SYSTECH LIMITED | Private company limited by shares | Live |
| HONGKONG ESDAR SYSTECH LIMITED | Private company limited by shares | Live |
| INFONET SYSTECH LIMITED | Private company limited by shares | Dissolved |
| Systech Integrators Limited | Private company limited by shares | Live |
| SYSTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYSTECH INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SYSTECH INT'L LIMITED | Private company limited by shares | Dissolved |
| SYSTECH INVESTMENTS LIMITED | Private company limited by shares | Live |
| SYSTECH MARKETING (ASIA) LIMITED | Private company limited by shares | Live |
| SYSTECH TECHNOLOGY & MEDIA SERVICES LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Apr-2012 |
| SYSTECH ON-LINE LIMITED | Private company limited by shares | Live |
| SYSTECH SERVICES LIMITED | Private company limited by shares | Dissolved |
| SOLOMON SYSTECH LIMITED | Private company limited by shares | Live |
| SysTech Solutions Limited | Private company limited by shares | Live |
| Systech Solutions Limited | Private company limited by shares | Live |
| SYSTECH SYSTEM (STS) LIMITED | Private company limited by shares | Live |
| Systech Technology & Publications Limited | Private company limited by shares | Live |
| SYSTECH TECHNOLOGY AND RESEARCH LIMITED | Private company limited by shares | Live |
| SYSTECH TELECOM LIMITED | Private company limited by shares | Live |
| SYSTECH TELECOM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYSTECH WIRELESS NETWORK LIMITED | Private company limited by shares | Dissolved |
| SYSTECHTOYS LIMITED | Private company limited by shares | Live |
| SYSTECS CO. LIMITED | Private company limited by shares | Dissolved |
| MEI SYSTEGRATION LIMITED | Private company limited by shares | Dissolved |
| Systek Limited | Private company limited by shares | Dissolved |
| SYSTEK SOLUTIONS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BIS SYSTEM LIMITED | Private company limited by shares | Dissolved |
| JET SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| ON SYSTEM LIMITED | Private company limited by shares | Live |
| ONE SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOY SYSTEM LIMITED | Private company limited by shares | Live |
| B & S SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SYSTEM ACE LIMITED | Private company limited by shares | Dissolved |
| SYSTEM RAY LIMITED | Private company limited by shares | Dissolved |
| VB SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYS SYSTEM LIMITED | Private company limited by shares | Live |
| SYSTEM LIMITED | Private company limited by shares | Live |
| TOP SYSTEM LIMITED | Private company limited by shares | Dissolved |
| D & F SYSTEM LIMITED | Private company limited by shares | Live |
| RS SYSTEM LIMITED | Private company limited by shares | Live |
| EO SYSTEM LIMITED | Private company limited by shares | Dissolved |
| BSC SYSTEM CO. LIMITED | Private company limited by shares | Dissolved |
| GP SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW SYSTEM LIMITED | Private company limited by shares | Live |
| AV SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAN SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SYSTEM MAX LIMITED | Private company limited by shares | Dissolved |
| HIT SYSTEM LIMITED | Private company limited by shares | Dissolved |
| ADD SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| NET SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| MMM SYSTEM LIMITED | Private company limited by shares | Dissolved |
| CS SYSTEM LIMITED | Private company limited by shares | Live |
| F & F SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SUN SYSTEM LIMITED | Private company limited by shares | Dissolved |
| HLT SYSTEM LIMITED | Private company limited by shares | Dissolved |
| ACE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| IP SYSTEM LIMITED | Private company limited by shares | Dissolved |
| AIM SYSTEM LIMITED | Private company limited by shares | Live |
| SKY SYSTEM LIMITED | Private company limited by shares | Dissolved |
| PIP SYSTEM LIMITED | Private company limited by shares | Dissolved |
| JET SYSTEM LIMITED | Private company limited by shares | Dissolved |
| ATN SYSTEM LIMITED | Private company limited by shares | Dissolved |
| PCL SYSTEM LIMITED | Private company limited by shares | Live |
| SYSTEM UNO LIMITED | Private company limited by shares | Dissolved |
| N T SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| SYSTEM KEY LIMITED | Private company limited by shares | Dissolved |
| AWT SYSTEM LIMITED | Private company limited by shares | Live |
| ADV SYSTEM LIMITED | Private company limited by shares | Live |
| KCS SYSTEM LIMITED | Private company limited by shares | Dissolved |
| AIT SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYSTEM EYE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PLM SYSTEM LIMITED | Private company limited by shares | Live |
| FE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| LIV SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| SCM SYSTEM LIMITED | Private company limited by shares | Dissolved |
| IDP SYSTEM LIMITED | Private company limited by shares | Dissolved |