| 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 |
| HORIZON SYSTEMS LIMITED | Private company limited by shares | Live |
| NEW HORIZON SYSTEMS LIMITED | Private company limited by shares | Live |
| HOTELIER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MAN FAT HYDRAULIC SYSTEMS LIMITED | Private company limited by shares | Live |
| BUCHHOLZ HYDRAULIC SYSTEMS LIMITED | Private company limited by shares | Live |
| HYDRON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| IATOPIA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ICON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| i-Concept Systems Limited | Private company limited by shares | Live |
| IDAHO SYSTEMS LIMITED | Private company limited by shares | Live |
| IDENTIPASS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| I-GLOBAL SYSTEMS LIMITED | Private company limited by shares | Live |
| SPO Systems Inc. Limited | Private company limited by shares | Live |
| INFA SYSTEMS LIMITED | Private company limited by shares | Live |
| INFONVALUE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| INFOVISION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| INGRAM SYSTEMS LIMITED | Private company limited by shares | Live |
| INNOTELLI SYSTEMS LIMITED | Private company limited by shares | Live |
| Air Innovation Systems Limited | Private company limited by shares | Live |
| INNOVATIVE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| INNOVTECH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| INSMART SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| INSOLVENCY SOFTWARE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| InsureSmart Systems Limited | Private company limited by shares | Dissolved |
| INTCOR SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ELM SYSTEMS INTEGRATION LIMITED | Private company limited by shares | Dissolved |
| SPARTA INTELLI-CONTROL SYSTEMS LIMITED | Private company limited by shares | Live |
| Intellimax Systems HK Limited | Private company limited by shares | Live |
| INTERACTIVE SYSTEMS LIMITED | Private company limited by shares | Live |
| INTERLINK SYSTEMS LIMITED | Private company limited by shares | Live |
| Intr Systems Limited | Private company limited by shares | Live |
| INVENTOR SYSTEMS LIMITED | Private company limited by shares | Live |
| Two Systems Investments Limited | Private company limited by shares | Live |
| I-Paradigm Systems Company Limited | Private company limited by shares | Live |
| IQNET SYSTEMS COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Jun-2002 |
| Isilon Systems Asia Limited | Private company limited by shares | Dissolved |
| ITWARE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JETCO SYSTEMS LIMITED | Private company limited by shares | Live |
| JOMENY SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JUNO SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| KEYLINK SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KHENSU SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KINDKING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KORTECH SYSTEMS LIMITED | Private company limited by shares | Live |
| PAXAR LABELING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Lagern Systems Limited | Private company limited by shares | Live |
| LANGUAGE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LEADSTEC SYSTEMS LIMITED | Private company limited by shares | Live |
| LEAPA SYSTEMS LIMITED | Private company limited by shares | Live |
| YOU & ME LEARNING SYSTEMS CO. LIMITED | Private company limited by shares | Live |
| LEISURE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LEXFORD SYSTEMS LIMITED | Private company limited by shares | Live |
| LIFEDATA SYSTEMS HK LIMITED | Private company limited by shares | Live |
| Linefox Systems Limited | Private company limited by shares | Live |
| LinkPro Systems Limited | Private company limited by shares | Live |
| LOGICAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LONGRAND SYSTEMS LIMITED | Private company limited by shares | Live |
| LONGWELL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Systems Loop Limited | Private company limited by shares | Live |
| SPORTS AND LOTTERIES SYSTEMS LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Mar-1995 |