| ENGIST BLUE INDUSTRY LIMITED | Private company limited by shares | Live |
| Blue Industry Group Limited | Private company limited by shares | Live |
| Blue Cat Shoes Industry Group Limited | Private company limited by shares | Live |
| HK BLUE SKY KITCHENWARE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN PLASTICS INDUSTRY CO. LIMITED | Private company limited by shares | Live |
| FRANCE ROYAL BLUE INDUSTRY HOLDING LIMITED | Private company limited by shares | Live |
| SHOUGUANG BLUE STAR INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| Ocean Blue Technology & Industry Limited | Private company limited by shares | Live |
| Ocean Blue Industry Trading Limited | | Live |
| LANXI BLUE WHALE INDUSTRY LIMITED | Private company limited by shares | Live |
| Blue Lan Infinite Limited | Private company limited by shares | Live |
| BLUE INFINITY INVESTMENTS LIMITED | | Live |
| BLUE INFO SYSTEMS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Dolphin Information Technology Co., Limited | | Live |
| Hong Kong Blue Fishing Cloud Information Technology Co., Limited | Private company limited by shares | Live |
| Blue X Information Technology Company Limited | Private company limited by shares | Live |
| Blue Sun Technology Information Limited | | Live |
| Blue InnovAsian Limited | Private company limited by shares | Dissolved |
| Blue Innovate Company Limited | | Live |
| Blue Innovation Limited | Private company limited by shares | Live |
| Cool Blue Innovation Design Limited | | Live |
| Blue Ocean Innovation Manufacturing Limited | Private company limited by shares | Live |
| Blue Ocean Innovation Limited | Private company limited by shares | Live |
| Blue Ocean Innovation Technology Limited | Private company limited by shares | Live |
| Blue OX Innovations Limited | | Live |
| BLUE SKY FURNITURE INNOVATIONS LIMITED | Private company limited by shares | Live |
| BLUE INNOWATER COMPANY LIMITED | Private company limited by shares | Live |
| BLUE SKY INSPECTION & CALIBRATION COMPANY LIMITED | Private company limited by shares | Live |
| Blue Horizon Inspection Limited | Private company limited by shares | Live |
| New Blue Sea Business Institute Limited | Private company limited by shares | Live |
| BLUE VALLEY RESEARCH INSTITUTE OF GREEN INNOVATION LIMITED | Private company limited by shares | Live |
| Blue Ocean Instrument (HK) Co., Limited | Private company limited by shares | Live |
| Blue Ocean Global Instrument Group Limited | | Live |
| Blue Med Instruments (HK) Limited | Private company limited by shares | Live |
| BLUE SEA SCIENTIFIC INSTRUMENTS LIMITED | Private company limited by shares | Live |
| BLUE SKY INSURANCE AGENT LIMITED | Private company limited by shares | Dissolved |
| Blue Wings Int. Limited | Private company limited by shares | Live |
| Blue Hall Intelligence Limited | Private company limited by shares | Live |
| Deep Blue Intelligence Technology Limited | Private company limited by shares | Live |
| Blue Ocean Interaction Limited | | Live |
| Blue Colour Concept Interior Contracting Company Limited | Private company limited by shares | Live |
| Blue Interior Design Limited | | Live |
| BLUE NILE FOR INTERNATION TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE BOX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE ZOO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BIG BLUE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SKY BLUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL OIL LIMITED | Private company limited by shares | Dissolved |
| BLUE TOP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE OAK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE NET INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Blue Key International Limited | Private company limited by shares | Live |
| RED & BLUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SEA BLUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RAW BLUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE ARK INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Blue Fin International Limited | Private company limited by shares | Live |
| Blue Jay International Limited | Private company limited by shares | Live |
| BLUE SEA INTERNATIONAL LIMITED | | Live |
| RED BLUE INTERNATIONAL LIMITED | | Live |
| HK BLUE SKY INTERNATIONAL LIMITED | | Live |
| BLUE INTERNATIONAL LIMITED | | Live |
| American Blue Ribbon Brewery International Limited | Private company limited by shares | Live |
| BLUE ANGEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE ANGEL INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| Aqua Blue International Limited | | Live |
| Blue Aqua International (HK) Limited | Private company limited by shares | Live |
| BLUE ARROW INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| ASIA BLUE OCEAN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE ATLANTIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Blue Ocean International Auction Limited | Private company limited by shares | Live |
| HK BLUE BANNER INTERNATIONAL SHARES LIMITED | Private company limited by shares | Dissolved |
| BLUE BASE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE BASIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE SKY BEAUTY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| USA BLUE RIBBON BEER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| USA BLUE RIBBON OU BO YA INTERNATIONAL BEER LIMITED | Private company limited by shares | Live |
| BLUE BIRD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE BIRDS INTERNATIONAL LIMITED | | Live |
| BLUE BREEZE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE BRIGHT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Bright Blue Holding (International) Limited | Private company limited by shares | Dissolved |
| BLUE BRINE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| BLUE ROCK BROTHER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE CASTLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE CASTLE INTERNATIONAL FOODS GROUP COMPANY LIMITED | Private company limited by shares | Live |
| HK BLUE BAY INTERNATIONAL CATAMARAN HOLDING GROUP LIMITED | Private company limited by shares | Live |
| Blue Ocean International Catering Company Limited | Private company limited by shares | Live |
| BLUE CENTURY INTERNATIONAL CO. LIMITED | Private company limited by shares | Live |
| BLUE INTERNATIONAL OIL (CHINA) LIMITED | Private company limited by shares | Live |
| CHINA BLUE TIMES INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| BLUE HORIZON CHINA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Blue Wave International China Limited | Private company limited by shares | Live |
| BLUE CHIP INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |