| BLUE SEA INTERNATIONAL DEVELOPMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| DEEP BLUE SEA INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Blue Dreams International Development Limited | | Live |
| BLUE CAT INTERNATIONAL HOLDING (H.K.) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| BLUE SEA INTERNATIONAL INVESTMENT DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Blue Ocean International Development Limited | Private company limited by shares | Live |
| BLUE STAR INTERNATIONAL DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Forest Blue International Technology Development Limited | | Live |
| BLUE DIAMOND INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Blue Diamond (International) Art Group Limited | Private company limited by shares | Live Commenced dormancy on 15-Nov-2018 |
| FRANCE BLUE DIAMOND INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BLUE DIAMOND INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| BLUE DOLPHIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE DOLPHIN INTERNATIONAL TRADING CO., LIMITED | | Live |
| BLUE DRAGON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BUILD BLUE DREAM INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Blue Dream International Trade Co., Limited | Private company limited by shares | Live |
| BLUE DREAM INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| China Blue Drop International Group Limited | Private company limited by shares | Live |
| East Blue International Co., Limited | Private company limited by shares | Live |
| Blue Sky International Education Centre Limited | Private company limited by shares | Live |
| Blue Sky International Education Group Limited | Private company limited by shares | Live |
| Blue Hope International Education Limited | Private company limited by shares | Live |
| BLUE EIGHT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE ELECTRO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL ELECTRONIC LIMITED | Private company limited by shares | Live |
| BLUE SEA ELECTRONIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Blue Energy International Limited | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL ENERGY CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL SEA BLUE NEW ENERGY GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUE ENERGY INTERNATIONAL TECH-TRADE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| OCEAN BLUE INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| Blue Ocean International Enterprises Limited | Private company limited by shares | Dissolved |
| Deep Blue Exploration Cruises International Limited | Private company limited by shares | Live |
| Blue Fairy International Trading Co., Limited | Private company limited by shares | Live |
| BLUE FAME INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE FASHION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SKY BLUE FASHION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE FLAG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE CAT (INTERNATIONAL) FOOD HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE FORTUNE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| BLUE FOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE FROG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Blue Ocean Global International Limited | Private company limited by shares | Live |
| BLUE GLOBE INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| GREAT BLUE SKY INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Great Blue Sea International Company Limited | Private company limited by shares | Live |
| BLUE GROUP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Blue International Group Limited | Private company limited by shares | Live |
| HK MR BLUE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BLUE SEA AR INTERNATIONAL GROUP (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Sea International Holdings Group Co., Limited | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL (HK) INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Blue Ocean Group (International) Limited | Private company limited by shares | Live |
| OCEAN BLUE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| ZG International Blue Sky Rescue Center Group Limited | | Live |
| BLUE RIBBON GROUP INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL GROUP SHARES LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INTERNATIONAL GROUP (HK) SHARES LIMITED | Private company limited by shares | Dissolved |
| BLUE TELECOMMUNICATIONS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| BLUE VISION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BLUE WING INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Guangzhou Blue Far International Limited | Private company limited by shares | Live |
| GUANGZHOU BLUE DRAGON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE GUARD INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| Blue Habor International Co., Limited | Private company limited by shares | Live |
| Blue Hawk International Limited | Private company limited by shares | Live |
| BLUE OCEAN HEALTHCARE (INTERNATIONAL) DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| BLUE HEAVEN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUE INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| BLUE SEA INTERNATIONAL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| BLUE MOON INTERNATIONAL H.K. LIMITED | Private company limited by shares | Live |
| BLUE OCEAN INTERNATIONAL SHIPPING (HK) LIMITED | Private company limited by shares | Live |
| Blue Ocean International Tobacco (HK) Limited | Private company limited by shares | Live |
| BLUE SEA INTERNATIONAL (HK-SHANGHAI) CO., LIMITED | Private company limited by shares | Live |
| SUM BLUE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| BLUE MOON INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| Pacific Blue International Holding Limited | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue International Holdings Limited | Private company limited by shares | Live |
| BLUE SUN INTERNATIONAL MEDIA HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE OCEAN INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| OCEAN BLUE INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| Hong Kong Classic Car (Blue Ma) International Limited | Private company limited by shares | Live |
| Hong Kong Blue Diamond International Limited | Private company limited by shares | Live |
| HONG KONG BLUE HORSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL BLUE SKY INDUSTRIES LIMITED | Private company limited by shares | Live |
| Blue Sea International (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Sky Blue International (Hong Kong) Limited | Private company limited by shares | Live |
| BLUE ROCK (HONG KONG) INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONG KONG BLUE OCEAN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ULTRA BLUE INTERNATIONAL (HONG KONG) LIMITED | | Live |
| BLUE HOPE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUE HORSE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL INC. LIMITED | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BLUE DRAGON INTERNATIONAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Blue Sea International (HK) Industrial Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL BLUE INDUSTRIAL COOPERATING ORGANIZATION LIMITED | Private company limited by shares | Live |