| EUROPEAN AND AMERICAN STANDARD COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN STAR LIMITED | Private company limited by shares | Dissolved |
| AMERICAN STAR RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| ANGLO AMERICAN STEVEDORING COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| American Structures Limited | Private company limited by shares | Live |
| AMERICAN STUDIO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| American Vocal Studio Limited | Private company limited by shares | Live |
| AMERICAN SUNSHINE CO., LIMITED | Private company limited by shares | Live |
| AMERICAN SUPERABSORBENT TECHNOLOGIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| American Superhero Company Limited | Private company limited by shares | Live |
| AMERICAN SUPPLEMENT LIMITED | Private company limited by shares | Dissolved |
| Mid American Supply Company Limited | Private company limited by shares | Live |
| SURTREK SOUTH AMERICAN TRAVEL LIMITED | Private company limited by shares | Live |
| AMERICAN TALENT LIMITED | Private company limited by shares | Dissolved |
| AMERICAN ADM (H. K.) ENGINEERING TECHNIQUE LIMITED | Private company limited by shares | Dissolved |
| AMERICAN ASIAN TRADE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| AMERICAN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AAT (American Advanced Technology) Limited | Private company limited by shares | Live |
| AMERICAN SMART TECHNOLOGY ASIA LIMITED | Private company limited by shares | Live |
| AMERICAN SMART TECHNOLOGY ASIA LIMITED | | Live |
| BEST AMERICAN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AMERICAN ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NEW AMERICAN TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| JETWORLD AMERICAN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN BIOSURGICAL ASIA MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| American DR Technology Shares Limited | Private company limited by shares | Live |
| TACKO AMERICAN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| American Xtal Technology Limited | Private company limited by shares | Dissolved |
| AMERICAN STANFORD GENETIC TESTING CENTER LIMITED | Private company limited by shares | Live |
| TEXILA AMERICAN UNIVERSITY LIMITED | Private company limited by shares | Live |
| AMERICAN TEXTILES LIMITED | Private company limited by shares | Dissolved |
| AMERICAN ORIENT AUTISM THERAPY LIMITED | Private company limited by shares | Live |
| AMERICAN TIRE LIMITED | Private company limited by shares | Dissolved |
| BRITISH AMERICAN STANDARD TOBACCO LIMITED | | Live |
| AMERICAN TOOL COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TOOL COMPANY LIMITED | Private company limited by shares | Live |
| AMERICAN SHENGDELI TOOLS COMPANY LIMITED | Private company limited by shares | Live |
| AMERICAN TRADE LIMITED | Private company limited by shares | Live |
| Top American Trading Hk Limited | Private company limited by shares | Live |
| ANGLO AMERICAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA & AMERICAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIAN AMERICAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CANADIAN AMERICAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN EASTERN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINESE AMERICAN TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| AMERICAN DRAGON MOTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| AMERICAN ROOSEVELT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK SOUTH AMERICAN TRADING LIMITED | Private company limited by shares | Live |
| AMERICAN SPORTSWEAR TRADING COMPANY LIMITED | Private company limited by shares | Live |
| American Power Train China Shares Limited | Private company limited by shares | Live |
| American Power Train Limited | Private company limited by shares | Live |
| AMERICAN TRANSPACIFIC INVESTMENTS, LIMITED | Private company limited by shares | Dissolved |
| AMERICAN AIR TRAVEL LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TREASURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TREASURE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TREASURE PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TURQUOISE COMPANY LIMITED | Private company limited by shares | Live |
| AMERICAN UNITED FINANCE LIMITED | Private company limited by shares | Dissolved |
| UNITED AMERICAN INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| AMERICAN UNITED PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| AMERICAN UNITED PROPERTIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN VALVE & CONTROLS LIMITED | Private company limited by shares | Live |
| AMERICAN WATS VALVE GROUP ASIA LIMITED | Private company limited by shares | Live |
| AMERICAN INDUSTRY VALVE ASIA LIMITED | Private company limited by shares | Live |
| AMERICAN VENDING SERVICE LIMITED | Private company limited by shares | Dissolved |
| AMERICAN WATCH LIMITED | Private company limited by shares | Dissolved |
| WESTERN AMERICAN FOODS LIMITED | Private company limited by shares | Live |
| AMERICAN WILSON FINANCE LIMITED | Private company limited by shares | Live |
| AMERICAN WILSON TOBACCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| American Power Soda Wine Co., Limited | Private company limited by shares | Live |
| PAN AMERICAN WIRE AND CABLE LIMITED | Private company limited by shares | Dissolved |
| AMERICAN WOMEN'S ASSOCIATION OF HONG KONG LIMITED -THE- | Company limited by guarantee | Live |
| AMERICAN WOODPECKER SPORTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| American English Workshop Limited | Private company limited by shares | Live |
| AMERICAN WRIGHT.HONEYWELL GROUP LIMITED | Private company limited by shares | Dissolved |
| AMERICAN WRIGHT.HONEYWELL GROUP LIMITED | Private company limited by shares | Live |
| American Zeka Limited | | Live |
| Zhongjian American Limited | Private company limited by shares | Live |
| Beauty Americana (Investment) Company Limited | Private company limited by shares | Live |
| AMERICANA DRINKS LIMITED | Private company limited by shares | Dissolved |
| AMERICANADA ENERGY INC. LIMITED | Private company limited by shares | Dissolved |
| AMERICAN-ASIAN GROUP INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| Americano Commercial Trading Limited | Private company limited by shares | Live |
| Americanos Limited | Private company limited by shares | Live |
| YOUNG AMERICANS LIMITED | Private company limited by shares | Dissolved |
| American-seattle Biotechnology Limited | Private company limited by shares | Live |
| AMERICAPREP LIMITED | Private company limited by shares | Live |
| Americarb HK Holding Company Limited | Private company limited by shares | Live |
| M&F AMERICAS LIMITED | Private company limited by shares | Live |
| VPP Americas Limited | Private company limited by shares | Live |
| AVANTIS AMERICAS LIMITED | Private company limited by shares | Dissolved |
| Halo Creative & Design Americas Limited | Private company limited by shares | Live |
| Semeiotics Group (Americas) Limited | Private company limited by shares | Live |
| POSSEHL ERZKONTOR AMERICAS LIMITED | Private company limited by shares | Live |