| Illaillaring Limited | Private company limited by shares | Live |
| ILLATION LIMITED | Private company limited by shares | Dissolved |
| ILLAWARRA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ILLAWONG COMPANY LIMITED | Private company limited by shares | Live |
| HK I'LLBOSS CHILDREN CLOTHING WORLD LIMITED | Private company limited by shares | Live |
| ILLERGOLD LIMITED | Private company limited by shares | Dissolved |
| ILLERT GROUP LIMITED | Private company limited by shares | Live |
| ILLEST (HONG KONG) LIMITED | Private company limited by shares | Live |
| ILLEST INTERNATIONAL LLC LIMITED | Private company limited by shares | Live |
| ILLIBERO LIMITED | Private company limited by shares | Dissolved |
| ILLICIT CLOTHING LIMITED | Private company limited by shares | Live |
| HK UNITED AGAINST ILLICIT TRADE LIMITED | Private company limited by shares | Live |
| ILLIKAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| illimite Concept Limited | Private company limited by shares | Live |
| HONG KONG ESPACE ILLIMITE INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG ILLIMITE LIMITED | Private company limited by shares | Live |
| vogue illimite Limited | Private company limited by shares | Dissolved |
| ILLIMITED LIMITED | | Live |
| ILLINGWORTH LIMITED | Private company limited by shares | Dissolved |
| ILLINO CO., LIMITED | Private company limited by shares | Live |
| ILLINO EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| ILLION LIMITED | Private company limited by shares | Live |
| Illiquid Limited | Private company limited by shares | Live |
| ILLIRIA NEW ENERGY LIMITED | | Live |
| ILLIWA LIMITED | Private company limited by shares | Dissolved |
| ILLKID PRODUCTIONZ LIMITED | Private company limited by shares | Live |
| ULIGHT ILLMINATION RESEARCH CENTER LIMITED | Private company limited by shares | Live |
| KOREA QIAN ZHI LI ILLMINATION LIMITED | Private company limited by shares | Dissolved |
| CHINA INTERNATIONAL DIFFICULT ILLNESS TREATMENT HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| ILLOVO LIMITED | Private company limited by shares | Dissolved |
| ILLSLEY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ILLU GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG JIAN MEI ILLUINATION LIMITED | Private company limited by shares | Live |
| ILLUM GLOBAL LIMITED | Private company limited by shares | Live |
| ILLUMATIC LIMITED | Private company limited by shares | Dissolved |
| ILLUMAX CHINA LIMITED | Private company limited by shares | Live |
| FORTUNE ILLUMAX LIMITED | Private company limited by shares | Live |
| illume Limited | Private company limited by shares | Live |
| Illume Creative Limited | Private company limited by shares | Live |
| Illumewise Limited | Private company limited by shares | Live |
| ILLUMIAIRE LIMITED | Private company limited by shares | Live |
| Illumina Limited | Private company limited by shares | Live |
| ILLUMINANCE COMPANY LIMITED | Private company limited by shares | Live |
| LIGHTSPOT ILLUMINANCE INDUSTRY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| ILLUMINANCE TECH LIMITED | Private company limited by shares | Dissolved |
| ILLUMINANCE TECHNOLOGIES GROUP LIMITED | Private company limited by shares | Live |
| ILLUMINARE CAPITAL LIMITED | Private company limited by shares | Live |
| Luxx Illuminare Limited | Private company limited by shares | Live |
| ILLUMINATE HUB LIMITED | Private company limited by shares | Live |
| Illuminate Limited | Private company limited by shares | Live |
| Illuminate Asia Limited | Private company limited by shares | Live Ceased dormancy on 12-Aug-2013 |
| NINGBO GEOLIDE ILLUMINATE CO., LIMITED | Private company limited by shares | Live |
| ILLUMINATED IDEAS ASIA LIMITED | Private company limited by shares | Live |
| ILLUMINATES LIMITED | Private company limited by shares | Dissolved |
| Illuminates Finances Limited | Private company limited by shares | Live |
| ILLUMINATI SISTEMA CO., LIMITED | Private company limited by shares | Live |
| ILLUMINATI (HK) TRADING LIMITED | Private company limited by shares | Live |
| ILLUMINATI HOSPITALITY MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Illuminati International Artworks Trading Limited | Private company limited by shares | Live |
| JEWELRY ILLUMINATI LIMITED | Private company limited by shares | Live |
| Illuminati Markets Limited | | Live |
| ILLUMINATI SERVICES LIMITED | Private company limited by shares | Live |
| ARTLAS ILLUMINATING CO. LIMITED | Private company limited by shares | Live |
| LUX ILLUMINATING CO., LIMITED | Private company limited by shares | Dissolved |
| Illuminating Group Company Limited | | Live |
| Illuminating Visions Limited | Private company limited by shares | Live |
| Illuminatio Medical Technology Limited | Private company limited by shares | Live |
| TAK PO ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| LED ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| MK Illumination HK Limited | Private company limited by shares | Live |
| ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| HL ILLUMINATION LIMITED | Private company limited by shares | Live |
| ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| SAM ILLUMINATION COMPANY LIMITED | Private company limited by shares | Live |
| Illumination Advisory Limited | | Live |
| AIPU ILLUMINATION CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA.HK ANTAI CAR ILLUMINATION EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| AOFUTE ILLUMINATION COMPANY LIMITED | Private company limited by shares | Live |
| H.K AOKENI ILLUMINATION ELECTRIC LIMITED | Private company limited by shares | Dissolved |
| APOLLO ILLUMINATION LIMITED | Private company limited by shares | Live |
| HK DINGXIN ILLUMINATION ELECTRIC APPLIANCE LIMITED | Private company limited by shares | Live |
| H.K FEIDIAO ILLUMINATION ELECTRIC APPLIANCE GROUP LIMITED | Private company limited by shares | Dissolved |
| HK FUTIAN ILLUMINATION ELECTRIC APPLIANCE LIMITED | Private company limited by shares | Dissolved |
| HK KAI YUN ILLUMINATION APPLIANCE GROUP LIMITED | Private company limited by shares | Dissolved |
| HK BO SHI TE ILLUMINATION APPLIANCE INT'L LIMITED | Private company limited by shares | Dissolved |
| WEI DE LI ILLUMINATION APPLIANCES LIMITED | Private company limited by shares | Live |
| TWL ARTS OF ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| ZHONGSHAN BEACON ILLUMINATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Blachere Illumination Asia Pacific Limited | Private company limited by shares | Live |
| BRIGHT ILLUMINATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRIGHT ILLUMINATION CO., LIMITED | Private company limited by shares | Live |
| H.K BRIGHT & GOOD ILLUMINATION LIMITED | Private company limited by shares | Dissolved |
| BRIGHT ILLUMINATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BRIGHTEN ILLUMINATION & SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| Brighterlux Illumination Co., Limited | Private company limited by shares | Dissolved |
| CHEE ILLUMINATION LIMITED | Private company limited by shares | Live |
| CHENYANG ILLUMINATION LIMITED | Private company limited by shares | Live |
| DEL ILLUMINATION CO., LIMITED | Private company limited by shares | Live |
| T&B ILLUMINATION CO., LIMITED | Private company limited by shares | Live |
| HK JW Illumination Co., Limited | | Live |