| 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 |
| TOP SYSTEM LIMITED | Private company limited by shares | Dissolved |
| G2G SYSTEM LIMITED | Private company limited by shares | Dissolved |
| WIN SYSTEM LIMITED | Private company limited by shares | Dissolved |
| J. F. SYSTEM LIMITED | Private company limited by shares | Dissolved |
| PHY SYSTEM LIMITED | Private company limited by shares | Dissolved |
| JET SYSTEM LIMITED | Private company limited by shares | Live |
| AFP SYSTEM LIMITED | Private company limited by shares | Dissolved |
| M&S SYSTEM LIMITED | Private company limited by shares | Dissolved |
| WDC SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| ART SYSTEM LIMITED | Private company limited by shares | Live |
| KNS SYSTEM LIMITED | Private company limited by shares | Live |
| TOP SYSTEM LIMITED | Private company limited by shares | Live |
| D S System Limited | Private company limited by shares | Dissolved |
| SLM SYSTEM LIMITED | Private company limited by shares | Live |
| SAR SYSTEM LIMITED | Private company limited by shares | Live |
| Gad System Limited | Private company limited by shares | Dissolved |
| 3R SYSTEM LIMITED | Private company limited by shares | Dissolved |
| G2 System Limited | Private company limited by shares | Live |
| TM SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| TOP ONE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| PMC SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| V5 SYSTEM LIMITED | Private company limited by shares | Live |
| NBL SYSTEM LIMITED | Private company limited by shares | Live |
| H&Y SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| BBH SYSTEM LIMITED | Private company limited by shares | Live |
| P2 System Limited | Private company limited by shares | Live |
| SKY SYSTEM LIMITED | Private company limited by shares | Live |
| K & T System Limited | Private company limited by shares | Dissolved |
| KAE System Limited | Private company limited by shares | Live |
| QBS SYSTEM LIMITED | Private company limited by shares | Live |
| W & H System Limited | Private company limited by shares | Live |
| System 2 Limited | Private company limited by shares | Live |
| ECR System Company Limited | Private company limited by shares | Live |
| M & E SYSTEM LIMITED | Private company limited by shares | Live |
| AI SYSTEM LIMITED | Private company limited by shares | Dissolved |
| MRL SYSTEM LIMITED | Private company limited by shares | Live |