| RUIJIAN INFORMATION TECHNOLOGY SERVICE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Ruitong Information Technology Limited | Private company limited by shares | Live |
| SAGE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SALAM INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK SANHE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK Sanmu Information Technology Limited | Private company limited by shares | Live |
| SBime.com Information & Technology Centre Limited | Private company limited by shares | Live |
| Seataoo Information Technology Limited | | Live |
| SEATOP INFORMATION TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HK SEELAND INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHU KONG INFORMATION TECHNOLOGY SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| WISDOM INFORMATION TECHNOLOGY SERVICE LIMITED | Private company limited by shares | Live |
| Kingside (Shanghai) Information And Technology Co., Limited | Private company limited by shares | Live |
| Shanghai Linor Information Technology Company Limited | Private company limited by shares | Live |
| Shanghai Tecscope Information Technology Co., Limited | Private company limited by shares | Dissolved |
| Shanghai Lu Teng Information Technology Co., Limited | Private company limited by shares | Live |
| SHANGHAI WEDDINGEE INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Shanhai Technology Information Limited | Private company limited by shares | Live |
| TONG SHENG INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHENGFENG INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Shengyi Information Technology Limited | | Live |
| SHINING INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| EZ Shipping Information Technology (HongKong) Company Limited | | Live |
| SHOU JIA INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SHUNTONG INFORMATION TECHNOLOGY LIMITED | | Live |
| SICLOUD INFORMATION TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SILVER INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Simpu Information Technology Co., Limited | | Live |
| SINGEING INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SINODATA INFORMATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Sirius Information Technology Co., Limited | Private company limited by shares | Live |
| SKYWALKER INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMART WAY INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Smart Information Communication Technology Limited | Private company limited by shares | Live |
| Smart Lodging Information Technology Limited | Private company limited by shares | Live |
| SMARTECH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMARTNET INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SUM SMOOTH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| VS Soft Information Technology (Hong Kong) Limited | Private company limited by shares | Live |
| SOGOOD INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SOHO WEB INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| INFORMATION TECHNOLOGY SOLUTION COMPANY LIMITED | Private company limited by shares | Live |
| ICALIBER INFORMATION & TECHNOLOGY SOLUTION LIMITED | Private company limited by shares | Live |
| BUSINESS INFORMATION TECHNOLOGY SOLUTIONS LIMITED | Private company limited by shares | Live |
| INFORMATION TECHNOLOGY SOLUTIONS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Solar Information Technology Solutions Company Limited | Private company limited by shares | Live |
| SOOG INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| NEW SOUL INFORMATION & TECHNOLOGY SERVICE LIMITED | Private company limited by shares | Live |
| HIT SPORTS INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOT SPOT INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| STAR INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Star Information Technology Co., Limited | Private company limited by shares | Live |
| Star Ocean Information Technology Limited | | Live |
| Starlight Information Technology Limited | | Live |
| Stars information technology Limited | Private company limited by shares | Live |
| Starship Information Technology Limited | | Live |
| StormNet Information Technology (Hong Kong) Limited | Private company limited by shares | Live |
| STRATEGIC INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Streamline Information Technology Limited | Private company limited by shares | Live |
| DIGITAL INFORMATION TECHNOLOGY STUDIES (H.K.) LIMITED | Private company limited by shares | Live |
| INFORMATION TECHNOLOGY STUDIO LIMITED | Private company limited by shares | Dissolved |
| SUCCESS INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Suihe Information Technology Co., Limited | Private company limited by shares | Live |
| SUNCHAN INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Sunlove information technology Co., Limited | | Live |
| SUPER ACE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SUPER NET INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Super Information Technology Co., Limited | | Live |
| Super Eggplant Information Technology Limited | | Live |
| SUPERDREAM INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Information SuperGrid Technology China Limited | Private company limited by shares | Live |
| Superposition Information Technology Limited | Private company limited by shares | Live |
| Surfman Information Technology Limited | | Live |
| Swisspay Information Technology Co., Limited | Private company limited by shares | Live |
| Sypulis Information Technology Co., Limited | Private company limited by shares | Live |
| SYSCAN INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| GENERAL INFORMATION TECHNOLOGY & SYSTEM LIMITED | Private company limited by shares | Live |
| INFORMATION TECHNOLOGY SYSTEM (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hope Technology Information System Limited | Private company limited by shares | Live |
| Systems Information Technology (HK) Limited | Private company limited by shares | Live |
| HK TAILAI INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TALENTECH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SUCCESS TARGET INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TECHMAX INFORMATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Techsonic Information Technology Limited | Private company limited by shares | Live |
| TECH-TREND INFORMATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECH-WARE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TEKZONE INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| INFORMATION TECHNOLOGY & TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| TELWIN INFORMATION & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Gang Teng Information Technology Limited | | Live |
| HK TENGBANG INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CLOUD THINK INFORMATION TECHNOLOGY CO LIMITED | Private company limited by shares | Live |
| THINK-SOURCE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THJX Information Technology Limited | Private company limited by shares | Live |
| Thumb Information Technology Co., Limited | | Live |
| THYME INFORMATION AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TIANJI Information Technology Limited | | Live |
| Tianyue Information Technology Limited | | Live |
| Tianzong Information Technology Limited | | Live |