| SMART IRONSMITH LIMITED | Private company limited by shares | Live |
| Ironsogon Global Limited | Private company limited by shares | Live |
| IRONSTEEL LIMITED | Private company limited by shares | Live |
| Ironstone Industrial Co., Limited | | Live |
| GNG IRONSTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| IRONSTONE INVESTMENTS LIMITED | Private company limited by shares | Live |
| IRONSTORM LIMITED | Private company limited by shares | Dissolved |
| IRONTEX COMPANY LIMITED | Private company limited by shares | Live |
| IRONTON LIMITED | Private company limited by shares | Live |
| XI MEN ZI IRONWARE (ASIA) LIMITED | Private company limited by shares | Dissolved |
| HK Jianyixing Ironware Co., Limited | Private company limited by shares | Dissolved |
| WONG SEK KEE IRONWARE CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| CROWN IRONWARE PRODUCTS (H.K) CO., LIMITED | Private company limited by shares | Live |
| PAK LEE IRONWARE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Chi Yip Ironware Engineering Company Limited | Private company limited by shares | Live |
| GALAXY IRONWARE ENGINEERING LIMITED | Private company limited by shares | Live |
| WING HING IRONWARE ENGINEERING LIMITED | Private company limited by shares | Live |
| LUSTER IRONWARE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHI TUNG IRONWARE WELDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI LEE (STANDARD) IRONWARE FACTORY LIMITED | Private company limited by shares | Live |
| Heda Ironware Limited | Private company limited by shares | Live |
| HUA FU IRONWARE (HK) LIMITED | Private company limited by shares | Dissolved |
| HONG KI IRONWARE ENGINEERING LIMITED | Private company limited by shares | Live |
| PROSPER ELECTRIC IRONWARE (HK) LIMITED | Private company limited by shares | Dissolved |
| DONGGUAN RONGDA IRONWARE TRINKET LIMITED | Private company limited by shares | Live |
| TAK SHING IRONWARE ENGINEERING LIMITED | Private company limited by shares | Live |
| Shing Kee Ironware Engineering Limited | Private company limited by shares | Live |
| SOZN IRONWARE PRODUCTS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| TAIWAN DEPAI IRONWARE INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| GERMANY TENGDAWANG IRONWARE TOOL LIMITED | Private company limited by shares | Live |
| ORIENT PLASTIC & IRONWARE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YANYU IRONWARE PRODUCE LIMITED | Private company limited by shares | Live |
| KONG FAT IRONWARES GODOWN LIMITED | Private company limited by shares | Dissolved |
| HOI KONG IRONWARES GODOWN COMPANY LIMITED | Private company limited by shares | Live |
| IRONWAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Ironway Mining Limited | Private company limited by shares | Live |
| Ironway Technology Limited | Private company limited by shares | Live |
| Ironwhale Limited | Private company limited by shares | Live |
| IRONWOOD LIMITED | Private company limited by shares | Dissolved |
| IRONWOOD EXTRUSIONS LIMITED | Private company limited by shares | Live |
| IRONWOOD FLOORING TRADE LIMITED | Private company limited by shares | Live |
| IRONWOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUN WAH IRONWORK COMPANY LIMITED | Private company limited by shares | Live |
| NGAI CHEONG IRONWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUANZHOU FIRST IRONWORK LIMITED | Private company limited by shares | Live |
| QUANZHOU FIRST IRONWORK LIMITED | | Live |
| TAI YAU IRONWORKS LIMITED | Private company limited by shares | Dissolved |
| PO CHEONG IRONWORKS ENGINEERING LIMITED | | Live |
| San Wa Ironworks Engineering Limited | Private company limited by shares | Live |
| WING MING IRONWORKS ENGINEERING LIMITED | Private company limited by shares | Live |
| HOPEWELL IRONWORKS LIMITED | Private company limited by shares | Dissolved |
| IRONWORKS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FU YUEN IRONWORKS LIMITED | Private company limited by shares | Dissolved |
| IRONY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| IRONY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| IROOD LIMITED | Private company limited by shares | Live |
| IROOM CO., LIMITED | Private company limited by shares | Dissolved |
| IROON ELECTRIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| IROQUOIS LIMITED | Private company limited by shares | Dissolved |
| IROS LIMITED | Private company limited by shares | Dissolved |
| IROSTORS Limited | Private company limited by shares | Live |
| SHANGHAI IROYAL CHEMICAL CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI IROYAL CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| Iroyal (HK) Co., Limited | Private company limited by shares | Live |
| IRP3 LIMITED | Private company limited by shares | Live |
| IRPL MANAGEMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| IRPTAU LIMITED | | Live |
| IRRADIEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| IRRAFFE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| IRRAWADDY LIMITED | Private company limited by shares | Dissolved |
| non irregular LIMITED | Private company limited by shares | Live |
| IRREGULAR CONCEPTS LIMITED | Private company limited by shares | Live |
| IRREGULARS LIMITED -THE- | Private company limited by shares | Live |
| Irresident Limited | Private company limited by shares | Live |
| IRREVOCABL LIMITED | Private company limited by shares | Live |
| Irrevocable Incentive Limited | Private company limited by shares | Live |
| Irribee Technology Limited | Private company limited by shares | Live |
| IRRICANA LIMITED | Private company limited by shares | Dissolved |
| ASIA IRRIGATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASSOCIATED IRRIGATION MANUFACTURERS LIMITED | Private company limited by shares | Live |
| CHINA IRRIGATION LIMITED | Private company limited by shares | Live |
| CHRISTENSEN IRRIGATION (HONG KONG) LIMITED | Private company limited by shares | Live |
| AMERICA ZUOEN IRRIGATION INT'L GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| China Irrigation And Drainage Enterprises Association Limited | Private company limited by shares | Live |
| A I GREEN IRRIGATION & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| IRRIGATION HOLDING GROUP LIMITED | | Live |
| WO.SMITH (HK) INT'L IRRIGATION WORKS GROUP LIMITED | Private company limited by shares | Live |
| ORBIT IRRIGATION PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Shanghai Huawei Water Saving Irrigation Co., Limited | Private company limited by shares | Dissolved |
| PREVOST STAMPER IRRIGATION LIMITED | Private company limited by shares | Live |
| Irriwilbin Limited | Private company limited by shares | Live |
| IRRNA PUBLISHING LIMITED | Private company limited by shares | Live |
| HONG KONG IRRO APPLIANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Irrpleace.P Limited | | Live |
| I.R.S. LIMITED | Private company limited by shares | Dissolved |
| IRSM MEDIA LIMITED | Private company limited by shares | Live |
| iRsquare Limited | Private company limited by shares | Dissolved |
| IRSS Limited | Private company limited by shares | Live |
| IRSys Limited | Private company limited by shares | Live |
| IRTC Trading Limited | Private company limited by shares | Live |