| TUNG WING STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYTON STAINLESS STEEL GROUP LIMITED | Private company limited by shares | Live |
| UNIBROS STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Steel Union Gym Limited | Private company limited by shares | Live |
| ASIA STEEL UNION CO., LIMITED | Private company limited by shares | Live |
| STEEL UNION METAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| STEEL UNION METAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| UNIRISE STEEL LIMITED | Private company limited by shares | Dissolved |
| UNITE STEEL LIMITED | Private company limited by shares | Live |
| UNITED STEEL LIMITED | Private company limited by shares | Dissolved |
| United Steel Limited | Private company limited by shares | Dissolved |
| CHINA UNITED IRON AND STEEL LIMITED | Private company limited by shares | Live |
| NEWLAND UNITED IRON & STEEL (H.K) CO., LIMITED | Private company limited by shares | Live |
| STEEL UNITED SHIPPING LIMITED | Private company limited by shares | Live |
| UNIVERSAL ALUMINIUM & STEEL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL STEEL DRAFTING CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL STEEL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL STEEL FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL STEEL PIPING LIMITED | Private company limited by shares | Live |
| Steel & More Universal Sourcing Limited | Private company limited by shares | Live |
| UNIVERSAL STEEL STRUCTURE LIMITED | Private company limited by shares | Live |
| UNIVERSAL STEEL TRADING, LIMITED | Private company limited by shares | Live |
| Steel & More Universal Trading Limited | Private company limited by shares | Live |
| Shandong Universe Steel Co., Limited | | Live |
| STEEL UPRIGHT LIMITED | Private company limited by shares | Live |
| ZHEJIANG URUS STEEL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| UTELON STEEL LIMITED | Private company limited by shares | Live |
| VALIN STEEL PIPE HONGKONG LIMITED | Private company limited by shares | Dissolved |
| Valin Steel Piping Company Limited | | Live |
| DRAGON VALVE AND STEEL LIMITED | Private company limited by shares | Live |
| VAST STEEL LIMITED | Private company limited by shares | Dissolved |
| Velander Steel Co., Limited | | Live |
| VIBRANT STEEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GRAND STEEL (VIETNAM) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Vision Steel Limited | Private company limited by shares | Live |
| INTERNATIONAL (WAN KEE) STAINLESS STEEL WINDOW LIMITED | Private company limited by shares | Dissolved |
| WANSHUN STEEL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WANSHUN STEEL TRADING CO., LIMITED | Private company limited by shares | Live |
| HK & MACAU STEEL WAREHOUSE CO., LIMITED | Private company limited by shares | Dissolved |
| HK WARMLONG YOUNGHI STEEL TUBE MAKING LIMITED | Private company limited by shares | Dissolved |
| STEEL WELL CO. LIMITED | Private company limited by shares | Live |
| WELLER STEEL COMPANY LIMITED | Private company limited by shares | Live |
| WELLRICH STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELLYEAR STEEL CO., LIMITED | Private company limited by shares | Dissolved |
| WESKING STEEL LIMITED | Private company limited by shares | Dissolved |
| WEST AFRICA STEEL MANUFACTRY LIMITED | Private company limited by shares | Live |
| WEST GERMANY STEEL GATE COMPANY LIMITED | Private company limited by shares | Live |
| WEST MONGOLIA STEEL HOLDINGS (H.K.) LIMITED | Private company limited by shares | Live |
| WESTLIN STEEL WIRE COMPANY LIMITED | Private company limited by shares | Live |
| ZHANJIANG GLOBAL STEEL WHEEL MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| ITALY STEEL WHEEL FINERY (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG WINALL STEEL COMPANY LIMITED | Private company limited by shares | Live |
| WINBOND STEEL COMPANY LIMITED | Private company limited by shares | Live |
| Wincoo Special Steel Co., Limited | Private company limited by shares | Live |
| STEEL WINDOW LIMITED | Private company limited by shares | Dissolved |
| KIN KEE STEEL WINDOW INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TUNG AH STEEL WINDOW MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| GRAND STEEL WINDOWS LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Oct-2004 |
| GRAND STEEL WINDOWS (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 07-May-2004 |
| Fortune Steel Windows & Doors Industrial Limited | Private company limited by shares | Live |
| TAI SHING STEEL WINDOWS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YUE STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHIU WING STEEL LIMITED | Private company limited by shares | Live |
| WING LEE STEEL STRUCTURALS LIMITED | Private company limited by shares | Dissolved |
| WINS STAINLESS STEEL PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| WINSTON STEEL LIMITED | Private company limited by shares | Dissolved |
| WINWAY STEEL INTERNATIONAL COMPANY LIMITED | | Live |
| WINWAY IRON AND STEEL LIMITED | | Live |
| Win-Win Steel Trade Limited | Private company limited by shares | Live |
| Wire & Steel Company Limited | Private company limited by shares | Live |
| SAFETY STEEL WIRE ROPE (INT'L) CO., LIMITED | Private company limited by shares | Dissolved |
| TOPPER STEEL WIRE ROPE & SLING (CHINA) CO., LIMITED | Private company limited by shares | Live |
| TAIZHOU SUYANG STEEL WIRE ROPE CO., LIMITED | Private company limited by shares | Live |
| GOLD COME STEEL WIRE ENGINEERING MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| H.K XIANGYING STEEL WIRE SPRING INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| YANG TZEKIANG STEEL WIRE ROPES FACTORY LIMITED | Private company limited by shares | Live |
| PACIFIC STEEL CABLE AND WIRE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GUANG YUAN STEEL WIRE FACTORY LIMITED | Private company limited by shares | Dissolved |
| ZHONGYU STEEL WIRE LIMITED | Private company limited by shares | Live |
| China Wish Steel Group Co., Limited | Private company limited by shares | Live |
| WISHING LONG STEEL COMPANY LIMITED | Private company limited by shares | Live |
| Lee Wong Steel Structurals Limited | Private company limited by shares | Live |
| STEEL WOOD LIMITED | Private company limited by shares | Live |
| KOWLOON STEEL AND WOODEN FURNITURE MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SIU WAH STEEL WORK COMPANY LIMITED | Private company limited by shares | Live |
| CHI TAT STEEL WORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| Steel Work Limited | Private company limited by shares | Live |
| Ardens Steel Work Limited | | Live |
| CHIU KEE STEEL WORK LIMITED | Private company limited by shares | Live |
| HERO STEEL WORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIU WAH STEEL & MACHINERY WORK LIMITED | Private company limited by shares | Live |
| Work Together Steel Structure Company Limited | | Live |
| WORKING STEEL LIMITED | Private company limited by shares | Live |
| YIU KEE STEEL WORKS COMPANY LIMITED | Private company limited by shares | Live |
| WAH KEE STEEL WORKS LIMITED | Private company limited by shares | Live |
| YUN FAT STEEL WORKS LIMITED | Private company limited by shares | Live |
| ARGOS STEEL WORKS LIMITED | Private company limited by shares | Dissolved |
| ASIA STEEL WORKS, LIMITED | Private company limited by shares | Dissolved |
| NEW ASIA STEEL WORKS LIMITED | Private company limited by shares | Live |
| BESCO STEEL WORKS LIMITED | Private company limited by shares | Live |