| STRONG INFORMATION CORPORATION LIMITED | Private company limited by shares | Live |
| CHINA STUDY INFORMATION CO., LIMITED | Private company limited by shares | Dissolved |
| SUIJIN PRAISED INTERNATIONAL MEDIA NETWORK INFORMATION LIMITED | Private company limited by shares | Dissolved |
| Suiyu Information Technology Limited | | Live |
| Sunbridge Information Technology Engineering (HongKong) Co., Limited | Private company limited by shares | Live |
| SUNLAND INFORMATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HK Sunnycloud Information Technology Co., Limited | Private company limited by shares | Live |
| SUNRILL INFORMATION LIMITED | Private company limited by shares | Live |
| HK SUNRISE INFORMATION LIMITED | Private company limited by shares | Live |
| SUNSHINE INFORMATION CO., LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE HEALTH INFORMATION COMPANY LIMITED | Private company limited by shares | Live |
| SUNSHINE INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SUNTEAM INFORMATION TECHNOLOGY LIMITED | | Live |
| Sunton Information Technology Co., Limited | Private company limited by shares | Live |
| SUPER INFORMATION LIMITED | Private company limited by shares | Dissolved |
| DIGITAL INFORMATION SUPER HIGHWAY, LIMITED | Private company limited by shares | Dissolved |
| INFORMATION SUPER HIGHWAY H.K. LIMITED | Private company limited by shares | Dissolved |
| SUPERNOVA MORTGAGE INFORMATION SERVICE LIMITED | Private company limited by shares | Live |
| Superory Information Consultant Co., Limited | | Live |
| WS BUSINESS INFORMATION SUPPORT LIMITED | Private company limited by shares | Live |
| MARINE INFORMATION SUPPORT AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUPREME INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK SWIFT INFORMATION AND CONSULTANCY CO. LIMITED | Private company limited by shares | Dissolved |
| SYNFAITH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SYSLIVE INFORMATION LIMITED | Private company limited by shares | Live |
| HAN INFORMATION SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| H. S. INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| BFG INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SET INFORMATION SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACCURACY INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| BoardWare Information System Limited | Private company limited by shares | Live |
| CHAMPS INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| COASTAL INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| L & P INFORMATION SYSTEM CONSULTANT CO. LIMITED | Private company limited by shares | Live |
| Hellmann Cyber Information System Limited | Private company limited by shares | Live |
| HI-TECH INFORMATION SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH CHINA INFORMATION SYSTEM INTEGRATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| JET MARK INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| MILLIONAIRE INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| TRADE INFORMATION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| XTRAPOWER INFORMATION SYSTEM LIMITED | Private company limited by shares | Live |
| SYSTEMATIC INFORMATION LIMITED | Private company limited by shares | Live |
| INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ICS INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| CAP INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| E N Z INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UDC INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SYSTEMS INFORMATION LIMITED | Private company limited by shares | Dissolved |
| JBA INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DF INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ECO INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DGT INFORMATION SYSTEMS LIMITED | Private company limited by shares | Live |
| WCW INFORMATION SYSTEMS LIMITED | Private company limited by shares | Live |
| ADVANCED INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| BEAUFORT INFORMATION SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUNG HUA INFORMATION SYSTEMS & COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| DATANET INFORMATION SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GENERAL INFORMATION SYSTEMS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ICON INFORMATION SYSTEMS (H.K.) LIMITED | Private company limited by shares | Live |
| INTERACTIVE INFORMATION SYSTEMS (HK) LIMITED | Private company limited by shares | Dissolved |
| INNOVATIVE INFORMATION SYSTEMS LIMITED | Private company limited by shares | Live |
| EMC INFORMATION SYSTEMS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| M.HSH Information Systems Limited | Private company limited by shares | Live |
| MILESTONE INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| NETMON INFORMATION SYSTEMS LIMITED | Private company limited by shares | Live |
| N.NITTO INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SOFTWARE INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TRANSPORT INFORMATION SYSTEMS LIMITED | Private company limited by shares | Live |
| Unicorn Information Systems Limited | Private company limited by shares | Live |
| i Taffy Information Technology Limited | Private company limited by shares | Live |
| TAIJI INFORMATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Taiwan Information Consultancy Limited | Private company limited by shares | Live |
| TAIWAN JINXIAOYA EDUCATION INFORMATION CONSULTING LIMITED | Private company limited by shares | Dissolved |
| TALENT INFORMATION CO. LIMITED | Private company limited by shares | Live |
| TALENT SKY INFORMATION LIMITED | Private company limited by shares | Dissolved |
| Information Technology Talent Exchange Center Co., Limited | | Live |
| TAOJINBABA FINANCE INFORMATION SERVICE HK LIMITED | Private company limited by shares | Live |
| HK Taozi Information Technology Co., Limited | | Live |
| Target Information Company Limited | Private company limited by shares | Live |
| Target Horsing Information Company Limited | Private company limited by shares | Live |
| TASDER TRADE&COMMERCE INFORMATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK TCYC INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TeamLogic Information Limited | Private company limited by shares | Dissolved |
| RH INFORMATION TECH LIMITED | Private company limited by shares | Live |
| HK RCZ INFORMATION TECH LIMITED | Private company limited by shares | Live |
| C&S TECH INFORMATION LIMITED | Private company limited by shares | Live |
| Advanced Strategy Tech Information Limited | Private company limited by shares | Live |
| Zhongzhi Aspect Information Tech Limited | | Live |
| CHAMPION TECH INFORMATION CO., LIMITED | Private company limited by shares | Dissolved |
| YZD Information Tech Co., Limited | | Live |
| CHENXU TECH INFORMATION CO., LIMITED | Private company limited by shares | Live |
| GoldenSea Information Tech (HK) Limited | Private company limited by shares | Live |
| HANWOOL INFORMATION TECH. (HK) COMPANY LIMITED | Private company limited by shares | Live |
| LONGTECH INFORMATION TECH LIMITED | Private company limited by shares | Live |
| GUANG RONG INFORMATION TECH CO., LIMITED | Private company limited by shares | Live |
| YD Information Tech Service Limited | | Live |
| SILVER LAKE TECH INFORMATION LIMITED | Private company limited by shares | Live |
| SKYLIGHT TECH INFORMATION LIMITED | | Live |
| BA INFORMATION SYSTEM TECH LIMITED | Private company limited by shares | Live |