| ISSA LIMITED | Private company limited by shares | Live |
| Issa Limited | Private company limited by shares | Live |
| CHC ISSA Limited | Private company limited by shares | Live |
| ISSABEL MEDICAL INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| ISSAC INC LIMITED | Private company limited by shares | Live |
| ISSAC BB LIMITED | Private company limited by shares | Live |
| BTL ISSAC LIMITED | | Live |
| ISSAC TRADE LIMITED | Private company limited by shares | Live |
| ISSACANA HK LIMITED | Private company limited by shares | Live |
| Issac.Chan Limited | Private company limited by shares | Live |
| ISSAM FATHI IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| ISSAM NOUH ENGINEERING ESTABLISHMENT LIMITED | Private company limited by shares | Dissolved |
| ISSAN FAMILIES F&B SERVICE LIMITED | | Live |
| ISSARA GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| ISSATA LIMITED | Private company limited by shares | Live |
| iSSCX Limited | Private company limited by shares | Live |
| ISSE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| ISSE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK ISSE TRADE LIMITED | Private company limited by shares | Live |
| ISSEGON COMPANY LIMITED | Private company limited by shares | Live |
| ISSEI ASIA REALTY LIMITED | Private company limited by shares | Dissolved |
| ISSEI JAPANESE DINNING CORPORATION LIMITED | Private company limited by shares | Live |
| ISSEI INTERNATIONAL (HOLDINGS) CO., LIMITED | Private company limited by shares | Dissolved |
| ISSEI SHOES FACTORY LIMITED | Private company limited by shares | Dissolved |
| ISSEY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ISSEY INTERIORS LIMITED | Private company limited by shares | Live |
| ISSEY INTERIORS (ASIA) LIMITED | Private company limited by shares | Live |
| ISSEY INTERIORS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ISSEY MIYAKE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| ISSG GENERAL TRADING LIMITED | Private company limited by shares | Live |
| ISSGI LIMITED | Private company limited by shares | Dissolved |
| Isshindo Kampo Co., Limited | Private company limited by shares | Live |
| ISSHO GENKI ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Issho46 Limited | Private company limited by shares | Live |
| Issho54 Limited | | Live |
| ISSHONI GROUP LIMITED | Private company limited by shares | Live |
| ISSI UK LIMITED | Private company limited by shares | Live |
| ISSI OUTLET LIMITED | Private company limited by shares | Live |
| ISSICLE LIMITED | Private company limited by shares | Dissolved |
| FRANCE ISSIMA COSMETICS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ISSIMO LIMITED | Private company limited by shares | Dissolved |
| ISSINI LIMITED | Private company limited by shares | Live |
| Issks IOT Technology (Hong Kong) Limited | | Live |
| ISSKY DESIGNS & CONSULTING LIMITED | | Live |
| ISSL & CO., (HK) LIMITED | Private company limited by shares | Live |
| ISSN Asia Limited | Private company limited by shares | Live |
| ISSON INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ISSOS Limited | Private company limited by shares | Live |
| RND Issuance Limited | Private company limited by shares | Live |
| KEY ISSUE LIMITED | Private company limited by shares | Dissolved |
| SKY ISSUE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Non Issue Limited | Private company limited by shares | Live |
| ISSUE CARNIVAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| DIGITAL ISSUE CENTER LIMITED | Private company limited by shares | Live |
| CHAMPION ISSUE LIMITED | Private company limited by shares | Dissolved |
| Issue Enterprise Limited | Private company limited by shares | Live |
| GRAND ISSUE LIMITED | Private company limited by shares | Live |
| GRAND ISSUE INC LIMITED | Private company limited by shares | Live |
| GOLD ISSUE INVESTMENT HOLDING PTE LIMITED | Private company limited by shares | Live |
| Issue Asia Pacific Limited | Private company limited by shares | Live |
| PROSPEROUS ISSUE LIMITED | Private company limited by shares | Live |
| ISSUEARN LIMITED | Private company limited by shares | Dissolved |
| ISSUI INDUSTRY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HK GOLDCOIN ISSUING CO., LIMITED | Private company limited by shares | Dissolved |
| HK WAYUN VIDEO PRODUCTION ISSUING LIMITED | Private company limited by shares | Dissolved |
| IssumaTek Co. Limited | Private company limited by shares | Live |
| ISSUP CO., LIMITED | Private company limited by shares | Live |
| ISS-VISION LIMITED | Private company limited by shares | Dissolved |