| Yuyou Network Information Technology Company Limited | | Live |
| Zaidao Information Technology (Hong Kong) Limited | | Live |
| ZaiHaiWai Information Technology co., Limited | Private company limited by shares | Live |
| Zennit Information Technology Co., Limited | Private company limited by shares | Live |
| ZERO POINT INFORMATION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Zero Information Technology Limited | | Live |
| New Zero Information Technology Co., Limited | | Live |
| ZERO DIMENSION INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zeta Geeta Information Technology Co., Limited | Private company limited by shares | Live |
| Zeus Information Technology Co., Limited | Private company limited by shares | Live |
| ZHAO WEI INFORMATION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Qian Zhao Information Technology (H K) Co., LIMITED | Private company limited by shares | Live |
| Zhengchen Information Technology Co., Limited | | Live |
| Zhengxin Information Technology Limited | | Live |
| ZHENYE INFORMATION TECHNOLOGY HK CO., LIMITED | Private company limited by shares | Dissolved |
| HK ZHIDA INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zhifei Information Limited | Private company limited by shares | Live |
| Zhijian Information Technology Co., Limited | | Live |
| ZHILI INFORMATION LIMITED | | Live |
| ZHILI YAOAN NETWORK INFORMATION CO., LIMITED | | Live |
| ZHONGCHENG INFORMATION AND ADVISORY LIMITED | Private company limited by shares | Dissolved |
| HK ZHONGHUA FINANCIAL INFORMATION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Zhonghui Global Information Consulting Co., Limited | Private company limited by shares | Live |
| Fang Zhou Information Company Limited | | Live |
| ZHUOCHUANG TECHNOLOGY INFORMATION LIMITED | Private company limited by shares | Live |
| ZING INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZiYuPingAn Information Limited | Private company limited by shares | Live |
| Zondau Information Limited | Private company limited by shares | Live |
| Zonelink Information & Technology Co., Limited | Private company limited by shares | Live |
| HK COMBINE INFORMATIONAL CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL LINK INFORMATIONAL LIMITED | Private company limited by shares | Live |
| ANALYSES CONSEILS INFORMATIONS ASIA LIMITED | Private company limited by shares | Dissolved |
| BABY'S FIRST PROLIGEROUS INFORMATIONS CONSULTING SERVICE LIMITED | Private company limited by shares | Dissolved |
| Fancy Informations Co., Limited | | Live |
| SANYO COMPUTER INFORMATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| STATE RESEARCH INFORMATIONS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| J&J INFORMATIONS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Pengki Information&Technology Co., Limited | | Live |
| Tac Tic Informatique Limited | Private company limited by shares | Live |
| UNI INFORMATIQUE LIMITED | Private company limited by shares | Live |
| DIGI-MEDIA INFORMATIQUE LIMITED | Private company limited by shares | Live |
| MAKOM INFORMATIQUE LIMITED | Private company limited by shares | Live |
| Informatique World Solutions Limited | | Live |
| PAN-GLOBAL INFORMATIVE AGENCY LIMITED | Private company limited by shares | Dissolved |
| Informative Holding Limited | | Live |
| INFORMATIVE BUSINESS SYSTEMS (HK) LIMITED | Private company limited by shares | Dissolved |
| INFORMATIX BUSINESS SYSTEMS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CHINA ENTERPRISE INFORMATIZATION PROPEL CENTER LIMITED | Private company limited by shares | Live |
| CHONGTENG INFORMATLON TECHNOLOGI CO., LIMITED | Private company limited by shares | Live |
| INFORMATRIX COMPANY LIMITED | Private company limited by shares | Dissolved |
| INFORMAX LIMITED | Private company limited by shares | Live |
| Informaze Limited | | Live |
| Informed Learning Limited | Private company limited by shares | Dissolved |
| Yacht Informer Limited | | Live |
| INFORMEXPRESS LIMITED | Private company limited by shares | Dissolved |
| NANJING INFORM(H.K.)AUTOMATED INTRALOGISTICS SYSTEM CO., LIMITED | Private company limited by shares | Live |
| INFORMIC LIMITED | Private company limited by shares | Live |
| INFORMIX LIMITED | Private company limited by shares | Dissolved |
| INFORMLINK CONSULTANCY LIMITED | Private company limited by shares | Live |
| INFORMSERVE LIMITED | Private company limited by shares | Dissolved |
| INFORMTECH MARKETING COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| INFORMTECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| INFORMTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MARS INFORMTECH LIMITED | Private company limited by shares | Dissolved |
| INFORMU LIMITED | Private company limited by shares | Live |
| INFORNI LIMITED | Private company limited by shares | Live |
| INFOROY LIMITED | Private company limited by shares | Dissolved |
| INFOROY TRADING LIMITED | Private company limited by shares | Live |
| INFORRICH LIMITED | Private company limited by shares | Dissolved |
| InforSeK Limited | Private company limited by shares | Dissolved |
| INFORT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| INFORTAINMENT CO., LIMITED | Private company limited by shares | Live |
| INFOR-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSKY INFORTECH CO. LIMITED | Private company limited by shares | Live |
| INFORTUNE LIMITED | Private company limited by shares | Dissolved |
| INFORTUNE LIMITED | Private company limited by shares | Live |
| INFORUM LIMITED | Private company limited by shares | Dissolved |
| INFORVELLOR LIMITED | Private company limited by shares | Live |
| INFOS DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| INFOSAIL ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| INFOSCIENCE MEDIA LIMITED | Private company limited by shares | Dissolved |
| Mutalas Infoscience Co., Limited | Private company limited by shares | Live |
| ASIA INFOSCIENCES CORPORATION LIMITED | Private company limited by shares | Dissolved |
| INFOSCIENCES TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| InfoScreen Limited | Private company limited by shares | Live |
| INFOSEA LIMITED | Private company limited by shares | Live |
| INFOSEARCH CHINA LIMITED | Private company limited by shares | Live |
| LT Infosec (Asia) Limited | Private company limited by shares | Live |
| AP INFOSENSE LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC INFOSERV LIMITED | Private company limited by shares | Dissolved |
| INFOSERV TECHNOLOGY SERVICES LIMITED | Private company limited by shares | Dissolved |
| INFOSERVE VENTURE LIMITED | Private company limited by shares | Live |
| C & N INFOSERVICES LIMITED | Private company limited by shares | Live |
| INFOSERVICES (HK) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG JEWELRY EXPORT INFOSHARE LIMITED | Private company limited by shares | Live |
| INFO-SIGHT LIMITED | Private company limited by shares | Dissolved |
| INFOSIS GROUP CO., LIMITED | Private company limited by shares | Live |
| Infosis Group HK Co., Limited | Private company limited by shares | Live |
| INFOSIS SOFTWARE (HONG KONG) LIMITED | Private company limited by shares | Live |
| INFOSIS TECHNOLOGY LIMITED | Private company limited by shares | Live |