| Steel Institute of Hong Kong Limited -The- | Company limited by guarantee | Live |
| The Steel Institute of Hong Kong Limited | | Live |
| CAPITAL STEEL (INT) LIMITED | Private company limited by shares | Live |
| QINGDAO INTERCONTINENTAL STEEL LIMITED | Private company limited by shares | Live |
| KC STEEL INTERNATIONAL CO LIMITED | Private company limited by shares | Live |
| Steel Win International Limited | Private company limited by shares | Live |
| S.Y STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HJ STEEL INTERNATIONAL LIMITED | | Live |
| Top steel international HK Limited | | Live |
| ALLIED STEEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ASIA INTERNATIONAL STEEL & ALLOY LIMITED | Private company limited by shares | Live |
| AMPLE STEEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ANTAEUS STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIA STEEL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| STEEL ASIA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIA STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BARON STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BILLIONS STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KEC STEEL INTERNATIONAL (CHINA) LIMITED | Private company limited by shares | Live |
| CHINA STEEL INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| CHUANG XIN STEEL (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Dissolved |
| AN STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Top Steel International Co., Limited | Private company limited by shares | Live |
| F F E STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HUA STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| ZI TAI STEEL INTERNATIONAL CO., LIMITED | | Live |
| BOHAI STEEL INTERNATIONAL HOLDING CO., LIMITED | Private company limited by shares | Live |
| International Steel Structure Group Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL STEEL STRUCTURE R&D GROUP CO., LIMITED | Private company limited by shares | Live |
| YALONG INTERNATIONAL STEEL GROUP CO., LIMITED | | Live |
| (HONGKONG)HONGYUAN INTERNATIONAL STEEL LOGISTIC CO., LIMITED | Private company limited by shares | Dissolved |
| WENFENG STEEL & IRON INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Jinggong Steel International Co., Limited | Private company limited by shares | Live |
| SYNDA STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HL STEEL INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| Steel Power International Trading Co., Limited | | Live |
| Zhongda Steel International Trade Co., Limited | | Live |
| DONGSHENG STEEL INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL STEEL FABRICATION COMPANY LIMITED | Private company limited by shares | Live |
| FAREAST STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FLAME STEEL INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| FORTUNE STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GIANT STEEL INTERNATIONAL ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| GOLD WAY INTERNATIONAL STEEL LIMITED | Private company limited by shares | Live |
| GRAND STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GREAT STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| GREAT STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| International Steel Group Limited | Private company limited by shares | Live |
| BELIEF INTERNATIONAL STEEL GROUP (H.K.) LIMITED | Private company limited by shares | Live |
| STEEL GUARD INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HAORUI STEEL INTERNATIONAL TRADE LIMITED | | Live |
| INTERNATIONAL STEEL COMPANY (HK) LIMITED | Private company limited by shares | Live |
| Honestar Steel International Company Limited | | Live |
| JIN HAI INTERNATIONAL (HONG KONG) STEEL CO., LIMITED | Private company limited by shares | Live |
| STEEL HARBOUR INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| HUAXIA INTERNATIONAL STEEL CORPORATION LIMITED | Private company limited by shares | Live |
| HUME STEEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| I.M.F. STEEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHINA STEEL INTERNATIONAL INDUSTRIAL CO. LIMITED | Private company limited by shares | Dissolved |
| JIANGYIN STEEL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| KARL STEEL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| LIJIANG STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK STEEL LINK INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| JOYLAX STEEL MATERIAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ASIA STEEL AND METAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| POWER MIGHTY STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ORIENT STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PAOSHAN STEEL HOLDING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PIET STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| STEEL POINT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| PORTLAND STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TAI TUNG STEEL PRODUCT (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| SOUTH INTERNATIONAL STAINLESS STEEL PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Ruite Steel International Company Limited | Private company limited by shares | Live |
| M&W STEEL SERVICE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SHANDONG INTERNATIONAL STEEL LIMITED | Private company limited by shares | Dissolved |
| Shandong Steel International Investment Limited | Private company limited by shares | Live |
| SHANGYANG STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SPAT STEEL INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| Solar Special Steel International Limited | Private company limited by shares | Live |
| TOP STEEL STRIP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| INTERNATIONAL STEEL STRUCTURES SOCIETY LIMITED | Private company limited by shares | Live |
| SUNTON STEEL INTERNATIONAL TRADING CO., LIMITED | | Live |
| TARZAN STEEL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tata Steel International (Asia) Limited | Private company limited by shares | Live |
| STEEL TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOPWELL STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| STEEL INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |
| DL STEEL INTERNATIONAL TRADE LIMITED | | Live |
| GRAND STEEL INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SS & S Steel Trading International Limited | Private company limited by shares | Dissolved |
| LW Steel International Trading Limited | | Live |
| CHINA STEEL INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SEA STEEL INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| C&D STEEL INTERNATIONAL TRADING CO., LIMITED | | Live |
| STEEL DONG HE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Dragon Steel International Trading Limited | Private company limited by shares | Dissolved |
| FEIHONGSHUNXIN INTERNATIONAL STEEL TRADING LIMITED | Private company limited by shares | Live |
| MING PO STEEL INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |