| KAM YUEN STEEL STRUCTURE & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUCCESS ENGINEERING & STEEL COMPANY LIMITED | Private company limited by shares | Live |
| Teamwork Steel Engineering Limited | Private company limited by shares | Live |
| FINE TECH (PARTNER) STEEL & IRON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| STEEL ENGINEERING TECHNOLOGY LIMITED | | Live |
| SUN HO STEEL ENGINEERING TRADING LIMITED | Private company limited by shares | Live |
| WAI TUNG STEEL ENGINEERING LIMITED | Private company limited by shares | Live |
| WANG FAT STEEL ENGINEERING LIMITED | Private company limited by shares | Live |
| Wang Tat Steel Engineering Limited | Private company limited by shares | Live |
| Wang Fa Steel Structure Engineering Company Limited | Private company limited by shares | Live |
| WELL FORD STEEL ENGINEERING LIMITED | Private company limited by shares | Live |
| Ka Wing Steel Engineering Limited | Private company limited by shares | Dissolved |
| WING TAI STEEL ENGINEERING LIMITED | | Live |
| WING KAI STEEL FURNITURE & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Wing Ming Steel Engineering Co Limited | Private company limited by shares | Live |
| MAN DAT ENGINEERING (STEEL WORK) COMPANY LIMITED | Private company limited by shares | Live |
| HUA XIN STEEL WORK ENGINEERING LIMITED | Private company limited by shares | Live |
| FABRIC STEEL WORK & ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| NGAI YIP STEEL WORK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TRUSTY STEEL WORK ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI KEE STEEL WORKS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JIN YIP STEEL WORKS & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| All Well Steel And Iron Works Engineering Limited | Private company limited by shares | Live |
| XIAMEN XZT STEEL STRUCTURE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| XINGHE STEEL STRUCTURE ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| HOI YEUNG STEEL ENGINEERING LIMITED | Private company limited by shares | Live |
| YING ON STEEL ENGINEERING LIMITED | Private company limited by shares | Live |
| Ying Kit Steel Engineering Company Limited | Private company limited by shares | Live |
| YING KEE STEEL AND IRON ENGINEERING LIMITED | Private company limited by shares | Live |
| Yuen Wah Steel Engineering Limited | Private company limited by shares | Live |
| TOP ES STEEL ENTERPRISE LIMITED | Private company limited by shares | Live |
| WU STEEL ENTERPRISES LIMITED | Private company limited by shares | Live |
| DRAGON STEEL ENTERPRISES LIMITED | Private company limited by shares | Live |
| LOGY STEEL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENVIRO ALUMINUM AND STAINLESS STEEL LIMITED | Private company limited by shares | Dissolved |
| STEEL GOOD CATERING EQUIPMENT ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWAN WAI STEEL EQUIPMENT & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ESHER STEEL LIMITED | Private company limited by shares | Dissolved |
| ESPOR STEEL LIMITED | Private company limited by shares | Live |
| ESSEN STEEL LIMITED | Private company limited by shares | Dissolved |
| ESSEN STEEL HK LIMITED | Private company limited by shares | Live |
| EURASIA STEEL LIMITED | Private company limited by shares | Dissolved |
| Euro-Asia Special Steel Company Limited | Private company limited by shares | Live |
| EURO-SIGNAL STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVERGROW STEEL LIMITED | Private company limited by shares | Dissolved |
| EVERGROW STAINLESS STEEL FURNITURE DECORATION AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVERSON STEEL COMPANY LIMITED | | Live |
| Eversource Special Steel Limited | Private company limited by shares | Live |
| EXCEL STEEL LIMITED | Private company limited by shares | Dissolved |
| Excel Steel Limited | Private company limited by shares | Dissolved |
| EXCELLENCE STEEL LIMITED | Private company limited by shares | Live |
| EXCELLENCE STEEL FURNITURE FACTORY LIMITED | Private company limited by shares | Live |
| EXCELSIOR STEEL LIMITED | Private company limited by shares | Live |
| EXIPEI STEEL LIMITED | Private company limited by shares | Live |
| CHINA STEEL EXPORT ALLIANCE COMPANY LIMITED | Private company limited by shares | Live |
| ANYANG IRON AND STEEL EXPORT CO., LIMITED | Private company limited by shares | Live |
| STEEL EXPORTS LIMITED | Private company limited by shares | Dissolved |
| STEEL PLASTIC EXTRUDER MACHINERY MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| STEEL FABRICATION LIMITED | Private company limited by shares | Dissolved |
| ALEXANDER STEEL FABRICATION LIMITED | Private company limited by shares | Live |
| UDL STEEL FABRICATORS & SHIPBUILDERS COMPANY LIMITED | Private company limited by shares | Live |
| WANG FOO STEEL FABRICATORS LIMITED | Private company limited by shares | Dissolved |
| NEW FABRICO STEEL WORKS LIMITED | Private company limited by shares | Dissolved |
| STEEL FACTORY LIMITED -THE- | Private company limited by shares | Live |
| CHUNG WAH STEEL FURNITURE FACTORY CO. LIMITED | Private company limited by shares | Live |
| SIN HWA STEEL FURNITURE FACTORY, LIMITED | Private company limited by shares | Dissolved |
| WING HING STEEL FURNITURE FACTORY LIMITED | Private company limited by shares | Dissolved |
| HORIZON STEEL FURNITURE FACTORY LIMITED | Private company limited by shares | Live |
| HWA YIU IRON AND STEEL FACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWON AH STEEL FURNITURE & MATTRESS FACTORY LIMITED | Private company limited by shares | Dissolved |
| Al Fahd Steel Limited | Private company limited by shares | Dissolved |
| FAITH STEEL COMPANY LIMITED | | Live |
| HANGZHOU FAMOUS STEEL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Fanghua Steel Structure Co., Limited | | Live |
| FAYA SPECIAL STEEL LIMITED | Private company limited by shares | Live |
| FEILONG STAINLESS STEEL HK LIMITED | Private company limited by shares | Live |
| Lion Fencing & Steel Supplies Europe Limited | Private company limited by shares | Live |
| LION FENCING AND STEEL SUPPLIES LIMITED | Private company limited by shares | Live |
| Qian Feng (Steel) Group Limited | Private company limited by shares | Live |
| GUANG FENG (HONG KONG) STEEL INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| FENG YUAN STEEL STRUCTURE ENGINEERING (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| HWA FENG STEEL TUBES ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JIAN FENG STEEL WIRE ROPE (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| Ying Feng Steel Materials Limited | Private company limited by shares | Live |
| HENAN FENGBAO SPECIAL STEEL CO., LIMITED | Private company limited by shares | Live |
| HENAN FENGBAO SPECIAL STEEL CO. LIMITED | Private company limited by shares | Dissolved |
| FENGYUAN STEEL MATERIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| FENGZHUANG STEEL STRUCTURE GROUP LIMITED | Private company limited by shares | Live |
| Ferrostaal Steel Asia Limited | Private company limited by shares | Live |
| HK KAM KUN STEEL FIBER LIMITED | Private company limited by shares | Dissolved |
| STEEL FIBRE (HK) LIMITED | Private company limited by shares | Dissolved |
| FILON IRON & STEEL COMPANY LIMITED | Private company limited by shares | Live |
| ITALY STEEL FIR FINERY (INT'L) GROUP LIMITED | Private company limited by shares | Dissolved |
| MEGA Steel Fittings Limited | Private company limited by shares | Live |
| KAM KEE STEEL BAR FIXING LIMITED | Private company limited by shares | Live |
| TIN HO ENGINEERING (STEEL FIXING) LIMITED | Private company limited by shares | Live |
| UNITED STEEL FIXING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| YAT SHING STEEL FIXING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Yat Shing Steel Fixing Engineering Limited | | Live |
| T & C STEEL SUPPLY & FIXING LIMITED | Private company limited by shares | Dissolved |