| HONG KONG IRON & STEEL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG DIE STEEL TRADING LIMITED | Private company limited by shares | Dissolved |
| HONG KONG STEEL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ZHEN XIANG STEEL TUBE LIMITED | Private company limited by shares | Live |
| UNITED STEEL PIPING (HONG KONG) LIMITED | | Live |
| Welmetal Steel (Hong Kong) Limited | | Live |
| Vornbaeumen Steel Wire Rope (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG WOODEN AND STEEL FURNITURE IMPORTERS AND EXPORTERS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG IRON & STEEL WORKS, LIMITED | Private company limited by shares | Dissolved |
| NANJING YEDE STEEL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YOUNG HEUNG IRON AND STEEL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Yuan Steel Holding Limited | | Live |
| YUANHANG STEEL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ZHANGDIAN IRON AND STEEL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| ZHENGJIE (HONG KONG) IRON & STEEL TRADING LIMITED | Private company limited by shares | Live |
| ZHONGRUI STEEL HONG KONG LIMITED | Private company limited by shares | Live |
| HONGAN STEEL STRUCTURE COMPANY LIMITED | Private company limited by shares | Live |
| WUXI HONGGESEN STAINLESS STEEL CO., LIMITED | | Live |
| IPC STEEL HONGKONG LIMITED | | Live |
| AMERICA STEEL GROUP HONGKONG LIMITED | Private company limited by shares | Dissolved |
| HONGKONG NORTH AMERICAN STEEL CO., LIMITED | Private company limited by shares | Dissolved |
| Chief Steel ( Hongkong) Trading Co., Limited | Private company limited by shares | Live |
| ET STEEL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| ASIA (HONGKONG) STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG STEEL BRIDGE CO., LIMITED | Private company limited by shares | Live |
| FUYU STEEL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG GUANYU STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG HONEST STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG HONGTAI STEEL CO., LIMITED | Private company limited by shares | Dissolved |
| Hongkong HuiXing Steel Co., Limited | Private company limited by shares | Live |
| YANSHAN IRON & STEEL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YUCHENG IRON & STEEL CO., LIMITED | | Live |
| HONGKONG JINGGONG STEEL STRUCTURE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG JINGZHI STAINLESS STEEL CO., LIMITED | Private company limited by shares | Live |
| HongKong Junda Steel Co., Limited | Private company limited by shares | Live |
| Linking Steel Hongkong Co., Limited | Private company limited by shares | Live |
| HONGKONG DINGXINTAI STEEL MANUFACTURE CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG MERGA STAINLESS STEEL CO., LIMITED | Private company limited by shares | Live |
| MESCO STEEL HONGKONG CO., LIMITED | Private company limited by shares | Live |
| MUGUET (HONGKONG) STEEL CO., LIMITED | Private company limited by shares | Live |
| Hongkong Newasia Steel Co., Limited | Private company limited by shares | Live |
| SIANO (HONGKONG) STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG XIN GORGEOUS STAINLESS STEEL CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG KINGS STAINLESS STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG XIANGXI STAINLESS STEEL CO., LIMITED | Private company limited by shares | Live |
| Hongkong International Steel Structure Co., Limited | Private company limited by shares | Live |
| HONGKONG XIONGFENG STEEL STRUCTURE CO., LIMITED | Private company limited by shares | Live |
| Yan Steel (HongKong) Trade Co., Limited | Private company limited by shares | Dissolved |
| WUZHI STEEL HONGKONG CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DAHUI STEEL CO. LIMITED | Private company limited by shares | Live |
| HONGKONG DAJI STEEL GROUP LIMITED | Private company limited by shares | Live |
| HongKong Decho Steel Co., Limited | | Live |
| DEVELOP STEEL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| Hongkong Diamond Steel Trading Co., Limited | Private company limited by shares | Live |
| HONGKONG ZHONGXIN DRAGON STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG EAST STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG GOLDEN EXPO STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG FENGYIYUAN STAINLESS STEEL LIMITED | Private company limited by shares | Live |
| HONGKONG STEEL FOUNDRY COMPANY LTD -THE- | Private company limited by shares | Dissolved |
| HONGKONG GALAXY STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG GLOBAL STEEL LIMITED | Private company limited by shares | Live |
| Hongkong Green Steel International Co., Limited | Private company limited by shares | Live |
| HongKong GreenDi Steel Sheet Co., Limited | Private company limited by shares | Live |
| STEEL GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG NO.1 STEEL (GROUP) CO., LIMITED | Private company limited by shares | Dissolved |
| YONGFENG STEEL GROUP (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| HONGKONG ZHONG YA YU HANG STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG HELEX STEEL LIMITED | | Live |
| HENGCHANG (HONGKONG) MODE STEEL LIMITED | Private company limited by shares | Dissolved |
| HUATAI STEEL (HONGKONG) LIMITED | Private company limited by shares | Live |
| HongKong Steel International Industrial Co., Limited | Private company limited by shares | Live |
| HONGKONG FAN STEEL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG RT STEEL INDUSTRY CO., LIMITED | | Live |
| HONGKONG YUANZHENG STEEL INDUSTRY HOLDING LIMITED | Private company limited by shares | Dissolved |
| MANTING STEEL INDUSTRY (HONGKONG) LIMITED | Private company limited by shares | Live |
| HONGKONG STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG TOPSUN STEEL PIPE INT'L LIMITED | Private company limited by shares | Live |
| HONGKONG INTERNATIONAL JINGGONG STEEL STRUCTURE LIMITED | Private company limited by shares | Dissolved |
| HONGKONG JINXIN STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG JINYA STEEL STRUCTURE LIMITED | Private company limited by shares | Live |
| JOBOFONE (HONGKONG) STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG JUDD STEEL LIMITED | Private company limited by shares | Live |
| HONGKONG KAIWEI STAINLESS STEEL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG KINGSUN STAINLESS STEEL CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG STEEL LAND CO., LIMITED | Private company limited by shares | Live |
| STEEL LAND (HONGKONG) INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| HongKong Lida Steel Co., Limited | Private company limited by shares | Live |
| HONGKONG LUCKY STEEL LIMITED | Private company limited by shares | Live |
| HongKong Steel Machinery Limited | Private company limited by shares | Live |
| Hongkong AS Steel Material & Technic Co., Limited | | Live |
| RUITONG (HONGKONG) METAL STEEL CO., LIMITED | Private company limited by shares | Live |
| Hongkong Luan Xu Steel Mold Limited | Private company limited by shares | Live |
| CHUNG HWA STEEL PRODUCTS COMPANY (HONGKONG) LIMITED -THE- | Private company limited by shares | Dissolved |
| HONGKONG GUANGSAN STEEL PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG PUYU STEEL CO., LIMITED | Private company limited by shares | Live |
| RIZHAO STEEL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| (HONGKONG) JIANGXI RUN-CHENG STEEL MESH LIMITED | Private company limited by shares | Live |
| HONGKONG SHENFA STEEL SERVICES CO., LIMITED | | Live |
| Shandong Steel Hongkong Zengli Limited | Private company limited by shares | Live |
| HONGKONG SHANGYI STEEL GROUP LIMITED | Private company limited by shares | Live |