| IsoAlba Limited | | Live |
| ISOBA LIMITED | Private company limited by shares | Dissolved |
| ISOBA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| isobar Hong Kong Limited | Private company limited by shares | Live |
| Trio Isobar Hong Kong Limited | Private company limited by shares | Live |
| ISOBE COMPANY LIMITED | | Live |
| ISOBEAU COSMETICS LIMITED | Private company limited by shares | Dissolved |
| ISOBEL CONSULTING (CHINA) LIMITED | Private company limited by shares | Live |
| ISOBP LIMITED | Private company limited by shares | Dissolved |
| ISOC HONG KONG LIMITED | Private company limited by shares | Live |
| CHINA IMAGE STYLIST ISOC LIMITED | Private company limited by shares | Dissolved |
| ISOCAN HONG KONG LIMITED | | Live |
| ISOCHEM LIMITED | Private company limited by shares | Live |
| Isochem Trading Limited | Private company limited by shares | Live |
| ISOCO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ISOCOM ASIA LIMITED | | Live |
| ISOCOM COMPONENTS ASIA LIMITED | Private company limited by shares | Live |
| UK ISOCOM Components Limited | | Live |
| ISOCON LIMITED | Private company limited by shares | Live |
| ISOCOR ASIA LIMITED | Private company limited by shares | Live |
| ISOCRYL HONG KONG, LIMITED | Private company limited by shares | Live |
| ISODYNE DATA SERVICE LIMITED | Private company limited by shares | Dissolved |
| Isoelectric Co., Limited | Private company limited by shares | Dissolved |
| ISOFOODTRACE LIMITED | Private company limited by shares | Live |
| iSOFT LIMITED | Private company limited by shares | Live |
| ISOFT COMPUTER SYSTEM LIMITED | Private company limited by shares | Dissolved |
| ISOFT CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ISOFT CONSULTING (ASIA) LIMITED | Private company limited by shares | Live |
| iSoft Technology Group Limited | Private company limited by shares | Live |
| i-soft Integrators Limited | Private company limited by shares | Dissolved |
| United iSoft Solutions Limited | Private company limited by shares | Live |
| ISoftConcept Limited | Private company limited by shares | Live |
| iSofter Co., Limited | Private company limited by shares | Live |
| I-SOFTRONICS LIMITED | Private company limited by shares | Live |
| iSoftware Limited | Private company limited by shares | Live |
| ISOGON LIMITED | Private company limited by shares | Dissolved |
| ISOGOROU LIMITED | | Live |
| ISOHEIN ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ISOJIN JAPANESE RESTAURANT COMPANY LIMITED | Private company limited by shares | Live |
| ATELIER ISO.K LIMITED | Private company limited by shares | Dissolved |
| ISOKE Technologies Company Limited | Private company limited by shares | Live |
| I-SOL LIMITED | Private company limited by shares | Dissolved |
| I-SOL LIMITED | Private company limited by shares | Live |
| ISOLA LIMITED | Private company limited by shares | Dissolved |
| ISOLA Limited | Private company limited by shares | Live |
| SHENZHEN ISOLAB POWER LIMITED | Private company limited by shares | Dissolved |
| ISOLANTE (CHINA) INVESTMENT CO., LIMITED | | Live |
| The Isolate Company Limited | | Live |
| ISOLDE LIMITED | Private company limited by shares | Dissolved |
| ISOLIS LIMITED | Private company limited by shares | Dissolved |
| ISOLITE LIMITED | Private company limited by shares | Dissolved |
| ISOLO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ISOLTA LIMITED | Private company limited by shares | Dissolved |
| iSolution Limited | Private company limited by shares | Live |
| I-SOLUTION ASIA LIMITED | Private company limited by shares | Live |
| ISOLUTION NETWORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| I-SOLUTION SYSTEM LIMITED | Private company limited by shares | Live |
| ISOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| OPS I-SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| iSolve Company Limited | Private company limited by shares | Live |
| M&S ISOMALT LIMITED | Private company limited by shares | Dissolved |
| ISOMETRIC INVESTMENT ADVISORS LIMITED | Private company limited by shares | Live |
| Isometric Creative Limited | Private company limited by shares | Live |
| Isometric Engineering Limited | Private company limited by shares | Dissolved |
| ISOMETRIC INDUSTRY LIMITED | Private company limited by shares | Live |
| Isometric Wilderness Limited | Private company limited by shares | Live |
| ISOMETRIX LIGHTING DESIGN LIMITED | Private company limited by shares | Live |
| ISOMETRIX LIGHTING & DESIGN (HK) LIMITED | Private company limited by shares | Dissolved |
| Primus Isometry Limited | Private company limited by shares | Live |
| ISOMURA (HK) CO LIMITED | Private company limited by shares | Dissolved |
| ISONA LIMITED | Private company limited by shares | Dissolved |
| ISONG TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| iSongs Limited | Private company limited by shares | Live |
| ISONIC LIMITED | Private company limited by shares | Live |
| ISONIQS LIMITED | Private company limited by shares | Dissolved |
| ISONTA INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| ISOPAL LIMITED | Private company limited by shares | Dissolved |
| ISOPLANT LIMITED | Private company limited by shares | Dissolved |
| ISOPLUS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ISOPODS IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| ISO-PRODUCTION LIMITED | Private company limited by shares | Live |
| ISOPTIK LIMITED | Private company limited by shares | Dissolved |
| ISO-Q CONSULTING PTY LIMITED | Private company limited by shares | Live |
| ISOQA Technical Service Company Limited | Private company limited by shares | Live |
| ISORTING LIMITED | Private company limited by shares | Live |
| ISOSO HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SICHUAN SUOHAIPU ISOSTATIC PRESSING TECHNOLOGY & EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| ISOSTATIC TRADING LIMITED | Private company limited by shares | Dissolved |
| ISOTECHNIC LIMITED | Private company limited by shares | Live |
| ISOTEKS LIMITED | Private company limited by shares | Live |
| Isothane Limited | Private company limited by shares | Live |
| ISOTHERM LIMITED | Private company limited by shares | Live |
| ISOTOP LIMITED | Private company limited by shares | Dissolved |
| ISOTOP TALENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| Isotope Limited | | Live |
| ASIA ISOTOPE LIMITED | Private company limited by shares | Live Commenced dormancy on 26-May-2014 |
| GIANT DRAGON RARE METAL ISOTOPES (H. K.) LIMITED | Private company limited by shares | Dissolved |
| ISOTRADING ASIA LIMITED | Private company limited by shares | Live |
| ISOTTA LIMITED | Private company limited by shares | Live |
| ISOUND TECH CO., LIMITED | Private company limited by shares | Live |