| CITRON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CLAIRVOYANCE SYSTEMS LIMITED | Private company limited by shares | Live |
| Cloud Systems Limited | Private company limited by shares | Live |
| CLOUD BUY SYSTEMS LIMITED | Private company limited by shares | Live |
| CLOUD SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| C-Maxtrix Systems Limited | Private company limited by shares | Live |
| Ningbo Smart Software Systems Co., Limited | Private company limited by shares | Live |
| COASTAL SYSTEMS RESEARCH LIMITED | Private company limited by shares | Dissolved |
| COMNET SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| COMPASS SYSTEMS LIMITED | Private company limited by shares | Live |
| COMPRO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Extreme CompuTik Systems Limited | Private company limited by shares | Live |
| COMREX SYSTEMS & SOLUTIONS LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Feb-2014 |
| CONSTRUCTIONAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SYSTEMS CONSULTANCY LIMITED | Private company limited by shares | Live |
| AT SYSTEMS CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| GLOBALNET SYSTEMS CONSULTANCY COMPANY LIMITED | Private company limited by shares | Live |
| WWD Controls Systems Holding Limited | | Live |
| COPAN Systems AP, Limited | Private company limited by shares | Dissolved |
| CREATIVE SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CROWD SYSTEMS LIMITED | Private company limited by shares | Live |
| CYBER SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBER SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| CYBERLINK SYSTEMS LIMITED | Private company limited by shares | Live |
| CYBERMED SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CYBERNETTE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CYBERPOS SYSTEMS LIMITED | Private company limited by shares | Live |
| CYTECH SYSTEMS LIMITED | Private company limited by shares | Live |
| A & J DATAPRO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DATATOOL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DAVID SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DBASE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DIAVOX SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DIGITAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| A3 DIGITAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| D'LIGHT SYSTEMS LIMITED | Private company limited by shares | Live |
| DOMINUS SYSTEMS, LIMITED | Private company limited by shares | Live |
| DURA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| EASTECH SYSTEMS LIMITED | Private company limited by shares | Live |
| EASTRATELE SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASYTECH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ECHO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| EduAIR Systems Limited | | Live |
| Efopti Systems Limited | Private company limited by shares | Live |
| EGLighting Systems Limited | Private company limited by shares | Dissolved |
| ELIYA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ENHANCED SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ENTAKE SYSTEMS LIMITED | Private company limited by shares | Live |
| Enterprise Systems Limited | Private company limited by shares | Live |
| EPOM Systems Limited | Private company limited by shares | Live |
| EPRO SYSTEMS LIMITED | Private company limited by shares | Live |
| eRay Systems Limited | Private company limited by shares | Live |
| ESCO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ESONEX SYSTEMS LIMITED | Private company limited by shares | Live |
| ESPADA SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| EVTEC systems Limited | Private company limited by shares | Live |
| BIT EXCHANGE SYSTEMS LIMITED | Private company limited by shares | Live |
| EXPERT SYSTEMS LIMITED | Private company limited by shares | Live |
| WSA EXPERT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DPS EXPERT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| EXPERT SYSTEMS IVR (ASIA) CO. LIMITED | Private company limited by shares | Live |
| Exposure Systems Limited | Private company limited by shares | Live |
| Eyecon Systems Limited | Private company limited by shares | Dissolved |
| Ezee Systems Limited | Private company limited by shares | Live |
| FANTEK SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| FAST SYSTEMS LIMITED | Private company limited by shares | Live |
| FENTIUM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| First Systems Limited | Private company limited by shares | Live |
| FLEXINET SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| FLEXLINE SYSTEMS LIMITED | Private company limited by shares | Live |
| FLIR SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| FORE SYSTEMS LIMITED | Private company limited by shares | Live |
| FORMAT SYSTEMS LIMITED | Private company limited by shares | Live |
| FOUNDER SYSTEMS SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| FREETRON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| FREIGHT SYSTEMS LIMITED | Private company limited by shares | Live |
| Sky 2 C Freight Systems Limited | Private company limited by shares | Live |
| Fruitful Systems Limited | Private company limited by shares | Live |
| Fuzo Systems Limited | Private company limited by shares | Live |
| Galip Systems Limited | Private company limited by shares | Live |
| GEMSTAR SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GEMTIDE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SYSTEMS GENERAL LIMITED | Private company limited by shares | Live |
| GENUFX SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GIGAFONE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| G-LINK SYSTEMS LIMITED | Private company limited by shares | Live |
| GLOBAL-TECH SYSTEMS LIMITED | Private company limited by shares | Live |
| Goodnet TV Systems Limited | Private company limited by shares | Dissolved |
| Grand Systems Limited | Private company limited by shares | Dissolved |
| GRANDMIND SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GrandTech Systems Limited | Private company limited by shares | Live |
| GRANDWAY SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GRANDWELL SYSTEMS LIMITED | Private company limited by shares | Live |
| HALO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HEADSTART SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HI-LO SYSTEMS LIMITED | Private company limited by shares | Live |
| HKIC Systems Limited | Private company limited by shares | Live |
| NF Systems Holding Limited | Private company limited by shares | Live |
| HOMEBASE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Homing Systems Limited | Private company limited by shares | Live |