| Blue Cloud Group Co., Limited | Private company limited by shares | Live |
| H.K BLUE RIBBON WINE GROUP CO., LIMITED | Private company limited by shares | Live |
| Guangdong Blue Ocean Technology Co., Limited | Private company limited by shares | Live |
| GUANGZHOU BLUE OCEAN SHIPPING AUTOMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Guangzhou Blue Ocean Technology Co., Limited | Private company limited by shares | Live |
| GULF BLUE CO., LIMITED | Private company limited by shares | Live |
| HongKong Guopu Deep Blue Trading Co., Limited | Private company limited by shares | Live |
| Blue Bird Haitao Cross -border Trading Co., Limited | | Live |
| Handan Double Blue Fastener Manufacturing Co., Limited | | Live |
| BLUE HARVEST CO., LIMITED | Private company limited by shares | Live |
| Blue Sea Animal Health Co., Limited | Private company limited by shares | Live |
| Blue Fox Hi-Tech Co., Limited | | Live |
| BLUE DREAM (HK) INTERNATIONAL CRUISE CO., LIMITED | Private company limited by shares | Live |
| BLUE CRYSTAL INTERNATIONAL GROUP (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Orange (HK) Imp. & Exp. Co., LIMITED | | Live |
| BLUE CLOUD INTERNATIONAL FORWARDING (H.K.) CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| TALLOY BLUE HOLDING CO., LIMITED | | Live |
| Hong Kong Blue Dream Co., Limited | | Live |
| Blue Sea (Hong Kong) Groceries Co., Limited | Private company limited by shares | Live |
| Blue Palm (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONG KONG BLUE SKY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG Z.C BLUE SKY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BLUE ONE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Blue Bay Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong New Blue Technology Co., Limited | | Live |
| HONG KONG M BLUE TRADING CO., LIMITED | Private company limited by shares | Live |
| HongKong Blue Whale Blockchain Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG BLUE EYE SPIRIT CONTACT LENSES CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DEEP BLUE INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE DREAM ECOLOGICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG OCEAN BLUE FOREIGN TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE LINK INTERNATIONAL INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Hongkong Blue Future Metal Technology Co., Limited | Private company limited by shares | Live |
| HongKong Blue Whale And Ocean Technology Co., Limited | Private company limited by shares | Live |
| Hongkong Blue Rose Promotional Gifts Co., Limited | Private company limited by shares | Live |
| Hongkong Blue Whale International Trade Co., Limited | Private company limited by shares | Live |
| Hongkong Yellow Blue Exploit Technology Co., Limited | | Live |
| BLUE HORSE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY HUSBANDRY SHARES GROUP CO., LIMITED | Private company limited by shares | Live |
| BLUE PEAK IMAGE PRODUCING HK CO., LIMITED | Private company limited by shares | Live |
| BLUE BERRY IMPEX CO., LIMITED | Private company limited by shares | Live |
| CHINA BLUE OCEAN INTERNATIONAL IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE POWER IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| Southern Blue Label Industrial Co., Limited | Private company limited by shares | Live |
| BLUE STAR GENERAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CHINA BLUE BAY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| QINGDAO BLUE CRYSTAL INDUSTRY & TRADING CO., LIMITED | Private company limited by shares | Live |
| CHINA BLUE SKY AVIATION INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA INDUSTRY (GROUP) HOLDING CO., LIMITED | Private company limited by shares | Live |
| HK BLUE OCEAN TECHNOLOGY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK BLUE OCEAN TECHNOLOGY INDUSTRY CO., LIMITED | | Live |
| BLUE SKY INFLATABLE PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| SHANZHI CATERING BLUE BRAND INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| HK BLUE SEA INTERNET CO., LIMITED | Private company limited by shares | Dissolved |
| HK CHINA BLUE SKY ELECTRONIC CIGARETTE INT'L SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SEA BLUE INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Blue Bay Investment Co., Limited | Private company limited by shares | Live |
| BLUE SEA INVESTMENT CO., LIMITED | | Live |
| Blue Ocean International Jewelry Trading Co., Limited | | Live |
| BLUE LAKE CO., LIMITED | Private company limited by shares | Live |
| HK Blue Land Trading Co., Limited | | Live |
| BLUE LIGHT RIGOR MECHANICAL TOOLS CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA LIGHTING CO., LIMITED | Private company limited by shares | Live |
| Blue Lion Internatioanl Trading Co., Limited | Private company limited by shares | Live |
| Long Blue Co., Limited | Private company limited by shares | Live |
| BLUE SKY MARINE MACHINERY CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA MARINE SERVICE CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN MARINE SERVICE CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN MARINE SHIPPING CO., LIMITED | Private company limited by shares | Live |
| OCEAN BLUE MARITIME CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY TRADE MARKET CO., LIMITED | Private company limited by shares | Live |
| BLUE MARS CO., LIMITED | Private company limited by shares | Live |
| BLUE STAR NEW MATERIAL CO., LIMITED | | Live |
| BLUE OCEAN MECHANICAL AND ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| China Blue Net Economic News All Media Co., Limited | Private company limited by shares | Live |
| Blue Ocean International Media (H.K.) Co., Limited | Private company limited by shares | Live |
| Blue Millet Co., Limited | Private company limited by shares | Live |
| BLUE SKY INTERNATIONAL MINERAL RESOURCES INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Deep blue Intelligent Network Technology Co., Limited | Private company limited by shares | Live |
| Blue Whale Interactive Network Marketing Co., Limited | Private company limited by shares | Live |
| BLUE NOVA CO., LIMITED | Private company limited by shares | Live |
| NEW BLUE OCEAN CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN GEM CO., LIMITED | Private company limited by shares | Dissolved |
| Ocean Blue Co., Limited | | Live |
| Gang Tai Blue River Ocean Engineering Technology Co., Limited | | Live |
| Fuzhou Blue Ocean Interactive Technology Co., Limited | | Live |
| BLUE OCEAN INTERNATIONAL ADVERTISING (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN INTERNATIONAL ADVERTISING (HK) CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN BLUE OCEAN SEIKO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ORIENTAL BLUE SKY CO., LIMITED | Private company limited by shares | Live |
| Blue Ocean Pacific Co., Limited | Private company limited by shares | Live |
| BLUE PAPER PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| Paper Blue Trading Co., Limited | | Live |
| Blue Pegasus Trading Co., Limited | Private company limited by shares | Live |
| HongKong Blue Phoenix International Trade Co., Limited | | Live |
| Blue Pigeon Logistic CO., LIMITED | | Live |
| Ningbo Blue Pluser Appliance Co., Limited | Private company limited by shares | Live |