| Dahongpao International Tea Culture Research Institute Limited | Private company limited by shares | Dissolved |
| INTERNATIONAL CHRONIC DISEASE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Electronic Software (International) Research Institute Limited | Private company limited by shares | Live |
| International Eqtrino Research Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL EXTENICS RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL BROMHIDROSIS (HIRCISMUS) RESEARCH INSTITUTE LIMITED | | Live |
| INTERNATIONAL LUBRICANTS RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| International pain science research institute Limited | Private company limited by shares | Live |
| INTERNATIONAL QUALITY MEASUREMENT RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL DIABETES REHABILITATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HK International Strategic Research Institute Limited | | Live |
| INTERNATIONAL SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE FOR TURMERIC RESEARCH LIMITED | Private company limited by shares | Live |
| RESILIENCE INSTITUTE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| International Human Resource Certification Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL NEURO RESTORATION INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF ROLLFORMING LIMITED | Company limited by guarantee | Live |
| HK ROYAL INTERNATIONAL ELEGANT BEAUTY INSTITUTE LIMITED | Private company limited by shares | Live |
| RWO-SHR HEALTH INSTITUTE INTERNATIONAL ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| INTERNATIONAL SAFETY AND QUALITY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| SAUGES INTERNATIONAL INTELLECTUAL PROPERTY INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL SCHEME INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA INTERNATIONAL SCHOOL INSTITUTE LIMITED | Private company limited by shares | Live |
| CP International Science Institute Limited | Private company limited by shares | Live |
| International Strategy and Security Institute Limited | Private company limited by shares | Live |
| INSTITUTE OF INTERNATIONAL PROFESSIONAL SERVICES LIMITED | Private company limited by shares | Live |
| CHINESE SHANG DAO INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Shang En International Training Institute Limited | Private company limited by shares | Live |
| SHANGHAI INSTITUTE OF INTERNATIONAL FINANCE LIMITED -THE- | Private company limited by shares | Live |
| SHANGHAI INTERNATIONAL MARITIME SAFETY INSTITUTE LIMITED | Private company limited by shares | Live |
| Rain Zen International Yoga Institute Share Limited | Private company limited by shares | Live |
| Shikang International Research Institute Co., Limited | Private company limited by shares | Live |
| SINO-US INTERNATIONAL FINANCIAL RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL SIX-VECTOR INVESTMENT INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| SKYLINE INTERNATIONAL COMMERCIAL INSTITUTE LIMITED | Private company limited by shares | Live |
| TOP RESEARCH INSTITUTE OF INTERNATIONAL SOCIAL SERVICES LIMITED | Private company limited by shares | Live |
| International Institute of Air and Space Law Company Limited | Company limited by guarantee | Live |
| INTERNATIONAL INSTITUTE OF UTILITY SPECIALISTS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL SPINAL INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| INTERNATIONAL INSTITUTE FOR CYCLING SPORT LIMITED -THE- | Private company limited by shares | Live |
| INTERNATIONAL BOH SPORTS INSTITUTE LIMITED | Private company limited by shares | Live |
| International Sports Institute Limited | Private company limited by shares | Live |
| Institute of International Strategy and Law Company Limited | Company limited by guarantee | Live |
| NLP INTERNATIONAL INSTITUTE OF BUSINESS STUDIES LIMITED | Private company limited by shares | Dissolved |
| International Institute of Chinese Studies for Children Limited | | Live |
| INTERNATIONAL INSTITUTE FOR ADVANCED STUDY LIMITED | Private company limited by shares | Live |
| International Stomatology Advanced Study Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL SUPERMODEL INSTITUTE CO., LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL SOCIAL SUPERVISION INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL TAIJI-BOXING INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Taiwan Institute Of International Limited | Private company limited by shares | Live |
| IOT Technology International Research Institute Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE FOR CRYOGENIC APPLICATION TECHNOLOGY LIMITED | | Live |
| INSTITUTE OF INTERNATIONAL THEME HOTELS LIMITED | Company limited by guarantee | Dissolved |
| International Institute Of Natural Therapeutics Limited | Private company limited by shares | Live |
| INTERNATIONAL INSTITUTE OF SELF-HEALING THERAPY LIMITED | Private company limited by shares | Live |
| NEW TIMES INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Live |
| TOOTOO TQS RESEARCH INSTITUTE (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| Torch International Adolescent Growth Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL PROFESSIONAL TRAINERS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| BIO TRAINING INSTITUTE (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| HK ashangmei International Training Institute Limited | Private company limited by shares | Dissolved |
| INTERNATIONAL (ASIA) PROFESSIONAL TRAINING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| B & S INTERNATIONAL BEAUTY TRAINING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HK HUI AN INTERNATIONAL HYPNOSIS TRAINING INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| Tathagata Zen International Training Institute Co., Limited | Private company limited by shares | Live |
| International Professional Coach Training Institute Limited | Private company limited by shares | Live |
| ART INSTITUTE INTERNATIONAL EDUCATION AND TRAINING INSTITUTIONS LIMITED | Private company limited by shares | Dissolved |
| Fine International Training Institute Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL COSMETOLOGY & HEALTH TRAINING INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ZHOU YI LAWYERS TRAINING INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL TRAINING INSTITUTE PRIVATE LIMITED | Private company limited by shares | Dissolved |
| International Training And Teaching Technology Institute Limited | Private company limited by shares | Live |
| Om international Yoga Training Institute Group Limited | Private company limited by shares | Live |
| International Transaction Agent Institute Co., Limited | | Live |
| US Trans-Pacific International Institute (China) Limited | Private company limited by shares | Live |
| INTERNATIONAL TUIBEI ACADEMIC INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL TUMOUR (CANCER) RESEARCH INSTITUTE LIMITED | | Live |
| United Finance International Institute Limited | Private company limited by shares | Live |
| VIRTUS INTERNATIONAL INSTITUTE Limited | Company limited by guarantee | Live |
| INTERNATIONAL VOICE.MUSIC.ENERGY INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL WANXING RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Wilson International Institute Co., Limited | Private company limited by shares | Live |
| China International Wushu Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL WUSHU CULTURE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL SHAOLIN WUSHU INSTITUTE LIMITED | Private company limited by shares | Live |
| Xuewe International Research Institute Limited | Private company limited by shares | Live |
| INTERNATIONAL YIJINJING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL YIXUE INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL YIXUE CULTURE INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HUNYUAN TAIJI YIYANG INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL YOGA INSTITUTE LIMITED | Private company limited by shares | Live |
| HK INTERNATIONAL YOGA INSTITUTE LIMITED | Private company limited by shares | Live |
| HK INTERNATIONAL YOGA INSTITUTE LIMITED | Private company limited by shares | Live |
| YOUMEI (INTERNATIONAL) FITNESS TRAINING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| BJ International Institute of Youth Studies Limited | Private company limited by shares | Live |
| INTERNATIONAL ZENCXO INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| International Zhongchou Institute Group Co., Limited | Private company limited by shares | Live |
| ZHONGHUA INSTITUTE OF INTERNATIONAL SECURITY LIMITED | Private company limited by shares | Live |
| ZIHUI INTERNATIONAL (HONGKONG) CULTURAL INSTITUTE LIMITED | | Live |