| HEFA STEEL LIMITED | Private company limited by shares | Live |
| Heineken Iron & Steel Beer (Group) Limited | | Live |
| HELIX STEEL ASIA LIMITED | Private company limited by shares | Live |
| WEIFANG HENGLIDA STEEL STRUCTURE CO., LIMITED | Private company limited by shares | Live |
| HENGYANG STEEL FIBER CO., LIMITED | Private company limited by shares | Live |
| HEPBURN STEEL COMPANY LIMITED | Private company limited by shares | Live |
| HEPHA STEEL LIMITED | Private company limited by shares | Live |
| HEXION STEEL LIMITED | Private company limited by shares | Live |
| Steel Highsen Limited | | Live |
| TAI HING STEEL COMPANY LIMITED | Private company limited by shares | Live |
| HOP HING (CHAN'S) STEEL LIMITED | Private company limited by shares | Dissolved |
| CHIT HING STEEL COMPANY LIMITED | Private company limited by shares | Live |
| CHUNG HING STEEL LIMITED | Private company limited by shares | Dissolved |
| TUNG HING STEEL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SAM FAT HING STEEL FACTORY LIMITED | Private company limited by shares | Dissolved |
| SUN HING STEEL FURNITURE FACTORY LIMITED | Private company limited by shares | Ceased to exist as a separate entity |
| KIN HING STEEL FURNITURE FACTORY LIMITED | Private company limited by shares | Live |
| SAM HING STEEL FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| YAULD HING LONG STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUEN HING LOONG STEEL COMPANY LIMITED | Private company limited by shares | Live |
| HING LEE LOONG NONFERROUS METALS & STEEL COMPANY LIMITED | Private company limited by shares | Live |
| HING TAI STEEL STRUCTURALS LIMITED | Private company limited by shares | Live |
| HINGMOU STEEL & IRON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Hirano Steel (Hong Kong) Limited | Private company limited by shares | Live |
| HITO STEEL LIMITED | Private company limited by shares | Live |
| CHINA HJML MILAI STEEL CO., LIMITED | | Live |
| STEEL GLO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| H.K. STEEL LIMITED | Private company limited by shares | Live |
| CTS (H.K.) STEEL LIMITED | Private company limited by shares | Live |
| SUN STEEL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| ZZC STEEL (HK) COMPANY LIMITED | | Live |
| ALLIED STEEL (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Jan-2013 |
| Kidson Aluminium and Steel (HK) Limited | Private company limited by shares | Live |
| Ancient Steel (HK) Limited | Private company limited by shares | Live |
| AOSEN STEEL (HK) LIMITED | Private company limited by shares | Live |
| ASIA STEEL (H.K.) LIMITED | Private company limited by shares | Live |
| Steel Brothers (HK) Limited | Private company limited by shares | Live |
| CASLETON STEEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| China Steel (HK) Limited | Private company limited by shares | Live |
| CHINA STEEL RESOURCES (HK) LIMITED | Private company limited by shares | Dissolved |
| STEEL UNITE GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| GANGLU IRON & STEEL (H.K) CO., LIMITED | Private company limited by shares | Dissolved |
| Ge Liz Special Steel (HK) Co., Limited | Private company limited by shares | Dissolved |
| PACIFIC SPECIAL STEEL (HK) CO., LIMITED | Private company limited by shares | Live |
| TAKAHASHI STEEL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| Special Steel Technology (HK) Co., Limited | Private company limited by shares | Live |
| COASTAL STEEL (HK) LIMITED | Private company limited by shares | Dissolved |
| FUYUANHUA (HK) COLOUR STEEL CO., LIMITED | Private company limited by shares | Live |
| H.K. STEEL CORPORATION LIMITED | Private company limited by shares | Live |
| DAHUA STEEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Decok Steel Ball (HK) Co., Limited | Private company limited by shares | Live |
| EAST STEEL (HK) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Pui Kee Steel Engineering (HK) Company Limited | Private company limited by shares | Live |
| Tan Tat Steel Engineering (HK) Limited | | Live |
| Steel Buddy Engineering (HK) Limited | Private company limited by shares | Live |
| Steel Good (HK) Engineering Limited | Private company limited by shares | Live |
| YA LI (HK) STEEL SCAFFOLDING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TS STEEL (HK) ENTERPRISE LIMITED | Private company limited by shares | Live |
| EXECUTIVE STEEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GLOBAL STEEL (HK) LIMITED | Private company limited by shares | Dissolved |
| GOLIK STEEL (HK) LIMITED | Private company limited by shares | Live |
| GREAT ASIA MOLD STEEL (HK) LIMITED | Private company limited by shares | Live |
| LI GUO STEEL GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| YAN STEEL GROUP (HK) LIMITED | Private company limited by shares | Live |
| XINHUA STEEL GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU IRON & STEEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HANGZHOU IRON & STEEL (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| HONG FA (HK) STAINLESS STEEL PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| HUAXI STEEL GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| CHINESE GAOFU (HK) STEEL INDUSTRY LIMITED | Private company limited by shares | Live |
| NEW JIAHUA (HK) STEEL STRUCTURE LIMITED | Private company limited by shares | Dissolved |
| H.K. JIANSHENG GROUP STEEL HOLDING LIMITED | Private company limited by shares | Live |
| KENOD (HK) STEEL CO., LIMITED | Private company limited by shares | Live |
| KRAINE STEEL (HK) INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LIANYUAN STEEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Liuzhou Iron and Steel (HK) Limited | Private company limited by shares | Live |
| MAAN STEEL & POWER (HK) LIMITED | Private company limited by shares | Live |
| STEEL MASTER H.K. CO., LIMITED | Private company limited by shares | Live |
| ZYGL STEEL MATERIAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HAOFENG (HK) METAL & STEEL LIMITED | Private company limited by shares | Dissolved |
| HOLY STEEL METAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Metal & Steel Solution (H.K.) Limited | Private company limited by shares | Dissolved |
| RESOURCES (H.K.) STEEL MINING INVESTMENT LIMITED | Private company limited by shares | Live |
| BAI SHENG MOLD STEEL (HK) LIMITED | Private company limited by shares | Live |
| Nippon Steel Industry (HK) Limited | Private company limited by shares | Live |
| NIPPON STEEL & SUMIKIN BUSSAN (HK) COMPANY LIMITED | Private company limited by shares | Live |
| EDEN STEEL AND PLASTICS (HK) LIMITED | Private company limited by shares | Dissolved |
| PLUS STEEL (H.K.) LIMITED | Private company limited by shares | Live |
| GUANXIN STEEL PRODUCT (HK) LIMITED | Private company limited by shares | Dissolved |
| Steel Raw-Material (HK) Co., Limited | Private company limited by shares | Live |
| RICHSUN STEEL (H.K.) LIMITED | Private company limited by shares | Live |
| SHANGHAI BAO ZHOU STEEL (HK) LIMITED | Private company limited by shares | Dissolved |
| SHANGQI IRON AND STEEL (HK) CO., LIMITED | Private company limited by shares | Live |
| STEEL SOURCING AND SUPPLY (HK) LIMITED | Private company limited by shares | Live |
| DONG BAO SPECIAL STEEL (HK) LIMITED | Private company limited by shares | Dissolved |
| NEW STAR STEEL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNLIGHT STEEL (HK) LIMITED | Private company limited by shares | Dissolved |
| ANVIL STEEL SYSTEMS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TAEWON STEEL (H.K.) LIMITED | Private company limited by shares | Live |
| TIANCHENG STEEL (HK) LIMITED | Private company limited by shares | Live |