| CORE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Core Groups Investment Co., Limited | | Live |
| HUI CORE MICRO CO., LIMITED | Private company limited by shares | Live |
| ZHUO CORE MICRO TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Core Bai Microelectronics (Hongkong) Co., Limited | Private company limited by shares | Live |
| China Core Power Group Technology Co., Limited | Private company limited by shares | Live |
| SHEN ZHEN CORE POWER ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| Core Road Co., Limited | Private company limited by shares | Live |
| Smart Core (HongKong) Co., Limited | Private company limited by shares | Live |
| New Core Trade Co., Limited | | Live |
| GERMANY MARK VALVE CORE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Core Pacific - Yamaichi Commercial Factoring (H.K.) Holding Limited | Private company limited by shares | Live |
| Core International Communication Co., Limited | Private company limited by shares | Live |
| CORE CONCEPTS LIMITED | Private company limited by shares | Live |
| GREEN CORE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| CORE PR CONSULTANCY LIMITED | Private company limited by shares | Live |
| Core Consultants Limited | Private company limited by shares | Live |
| Core Consultation Limited | | Live |
| CORE CONSULTING LIMITED | Private company limited by shares | Live |
| Central Core Consulting Limited | | Live |
| Core Excel Consulting Limited | Private company limited by shares | Live |
| GLOBAL CORE CONSULTING LIMITED | Private company limited by shares | Live |
| CORE Education & Consulting Solutions (Hong Kong) Limited | Private company limited by shares | Live |
| Corporate Core Limited | Private company limited by shares | Live |
| CORE CORPORATE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CORE CORPORATE COMMUNICATIONS (GREATER CHINA) LIMITED | Private company limited by shares | Dissolved |
| Core Interactive Corporation Limited | Private company limited by shares | Live |
| CORE MEDIA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CREATE CORE TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Creative Core Limited | Private company limited by shares | Dissolved |
| CORE CROSS LIMITED | Private company limited by shares | Live |
| DENTAL CORE LIMITED | Private company limited by shares | Live |
| CORE DESIGN LIMITED | Private company limited by shares | Dissolved |
| CORE PLUS DESIGN LIMITED | | Live |
| Add Core Design Research Limited | | Live |
| Core 2 Spatial Design Limited | Private company limited by shares | Dissolved |
| HK CORE CENTURY DEVELOP CO., LIMITED | | Live |
| CORE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| GOLD CORE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| CORE DIAM LIMITED | Private company limited by shares | Live |
| DIAMOND CORE LIMITED | Private company limited by shares | Live |
| BLACK CORE DIAMOND CO., LIMITED | Private company limited by shares | Live |
| DIAMOND CORE MFG (HK) LIMITED | Private company limited by shares | Live |
| Diverse Core International Limited | Private company limited by shares | Live |
| CORE DYNAMICS SOLUTION LIMITED | Private company limited by shares | Live |
| EAST CORE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EAST CORE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| East Core Technology Co., Limited | Private company limited by shares | Live |
| CORE EDUCATION LIMITED | Private company limited by shares | Live |
| CHINA CORE LIBRARY CULTURAL & EDUCATIONAL GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| CORE Edutech Limited | Private company limited by shares | Live |
| Core Electric Motor Company Limited | Private company limited by shares | Live |
| Strong Core Electron HK Co., Limited | Private company limited by shares | Live |
| CORE ELECTRONIC PTY LIMITED | Private company limited by shares | Dissolved |
| CORE ELECTRONIC CO., LIMITED | | Live |
| MORNING CORE ELECTRONIC LIMITED | Private company limited by shares | Live |
| CORE SOLUTIONS ELECTRONIC CO., LIMITED | | Live |
| HK BEST CORE ELECTRONIC TECH LIMITED | Private company limited by shares | Live |
| KEY CORE ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CORE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| US CORE ELECTRONICS CO., LIMITED | | Live |
| Core Chain Electronics Co., Limited | | Live |
| CORE ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| DRAGON CORE ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| Jiasheng Core Electronics Co., Limited | | Live |
| SMART CORE (HK) ELECTRONICS CO., LIMITED | | Live |
| THREE CORE ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| Core Crystal Electronics Limited | | Live |
| Diligent Core Electronics Co Limited | | Live |
| HK Core Group Electronics Limited | | Live |
| HARD CORE ELECTRONICS TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| Z CORE (HK) ELECTRONICS LIMITED | Private company limited by shares | Live |
| Xinhui core (Hongkong) Electronics Co., Limited | Private company limited by shares | Live |
| MEGA CORE ELECTRONICS LIMITED | Private company limited by shares | Live |
| SHENZHEN JIA CORE ELECTRONICS LIMITED | Private company limited by shares | Live |
| SHIN CORE ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| SMART CORE ELECTRONICS LIMITED | Private company limited by shares | Live |
| Core Soft Electronics Co., Limited | Private company limited by shares | Live |
| Core Star Electronics Limited | | Live |
| Super Core Electronics Technology Limited | Private company limited by shares | Live |
| Core Electronics Technology Co., Limited | Private company limited by shares | Live |
| Core Technology Electronics Co., Limited | Private company limited by shares | Live |
| ONE CORE ELECTRONICS TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Core Elements Technology Co., Limited | Private company limited by shares | Live |
| ELITE CORE LIMITED | Private company limited by shares | Dissolved |
| ELITE CORE GROUP LIMITED | Private company limited by shares | Dissolved |
| ELITE CORE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CORE EMPIRE COMPANY LIMITED | Private company limited by shares | Live |
| CORE ENERGY LIMITED | Private company limited by shares | Live |
| CORE ENERGY LIMITED | Private company limited by shares | Live |
| CORE ENERGY ASIA LIMITED | Private company limited by shares | Live |
| CORE ENERGY MINING CO., LIMITED | Private company limited by shares | Live |
| Core Future New Energy (HongKong) Limited | | Live |
| CORE ENERGY GROUP LIMITED | Private company limited by shares | Live |
| Energy Core Investment Limited | Private company limited by shares | Live |
| Core Span Energy Limited | Private company limited by shares | Dissolved |
| Core Energy Technology Limited | Private company limited by shares | Live |
| CORE ENERGY TECHNOLOGY HOLDING LIMITED | | Live |
| CORE Engineering Limited | Private company limited by shares | Live |
| The Core Construction Engineering Limited | | Live |