| ITSC Limited | Private company limited by shares | Live |
| ITSC Vision Limited | Private company limited by shares | Live |
| IT'S-CHILL FUNCTIONAL TEXTILE (SHANGHAI) CO., LIMITED | Private company limited by shares | Live |
| Its-China Group Limited | Private company limited by shares | Live |
| ITsci Company Limited | Private company limited by shares | Live |
| ITSCTR Operating Limited | | Live |
| Its.dazzb Limited | | Live |
| ITSDev Limited | | Live |
| iTSec Limited | Private company limited by shares | Live |
| ITSELL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ITSENSE LIMITED | Private company limited by shares | Live |
| ITSERVICE HK LIMITED | Private company limited by shares | Dissolved |
| ASIA IT-Service Company Limited | Private company limited by shares | Live |
| WH IT-Services Limited | Private company limited by shares | Live |
| ITSG Partner Limited | Private company limited by shares | Live |
| itsgood Limited | Private company limited by shares | Live |
| Itsie-bitsie Corporation Limited | Private company limited by shares | Live |
| ITSIMPLER SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ITSKINS LIMITED | Private company limited by shares | Live |
| ITSKINS INT LIMITED | | Live |
| ITSM CONSULTANCY LIMITED | Private company limited by shares | Live |
| ITSmart Limited | Private company limited by shares | Live |
| ITsmart Exp Limited | | Live |
| ITSmart International Limited | Private company limited by shares | Live |
| Itsmine Limited | | Live |
| Its-my.money Limited | Private company limited by shares | Live |
| Itsnow Network Technology Limited | | Live |
| ITSO LIMITED | Private company limited by shares | Live |
| ITSoft Limited | Private company limited by shares | Live |
| Itsoft Hong Kong Limited | Private company limited by shares | Live |
| IT-SOLDIERS SOLUTION LIMITED | Private company limited by shares | Live |
| K & J IT-solution Limited | Private company limited by shares | Live |
| ITSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITSOURCE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| ITSP LIMITED | Private company limited by shares | Live |
| ITSQUARE LIMITED | Private company limited by shares | Live |
| ITSR LIMITED | | Live |
| ITSRC Limited | Private company limited by shares | Live |
| ITSS LIMITED | Private company limited by shares | Live |
| KOREA ItssKIN COSMETIC CO., LIMITED | Private company limited by shares | Live |
| ITSSO Co., Limited | Private company limited by shares | Dissolved |
| ITSTANDS LIMITED | | Live |
| ITSTAT CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| ITSU GROUP LIMITED | Private company limited by shares | Live |
| ITSU HEALTH CARE LIMITED | Private company limited by shares | Live |
| ITSUGROUP LIMITED | Private company limited by shares | Dissolved |
| ITSun Limited | Private company limited by shares | Live |
| UK ITSUNDERE GROUP CO., LIMITED | Private company limited by shares | Live |
| ITSUP LIMITED | | Live |
| G.H.RON ITSUVIM. LIMITED | Private company limited by shares | Live |
| ITSUWA ELECTRONICS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ITSUWA INTERNATIONAL H.K. COMPANY LIMITED | Private company limited by shares | Live |
| ITSUWA (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Itsuwa Technology Group Company Limited | Private company limited by shares | Live |
| SHENZHEN ITSUWA LIGHT CO., LIMITED | Private company limited by shares | Live |
| ITSY LIMITED | Private company limited by shares | Dissolved |
| ITsyndicate Limited | Private company limited by shares | Live |
| EC IT-System Limited | Private company limited by shares | Live |
| IT-Systems Limited | Private company limited by shares | Live |
| JK IT&T CO., LIMITED | Private company limited by shares | Live |
| Lagom Kaffe (ITT) Limited | | Live |
| Postcollectionhk (itt) Limited | Private company limited by shares | Live |
| IT&T Production Limited | Private company limited by shares | Live |
| TRILLION IT&T CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| iTTa Capital Limited | Private company limited by shares | Dissolved |
| ITTAK COMIC & TECH CO., LIMITED | | Live |
| ITTALA LIMITED | Private company limited by shares | Dissolved |
| ITTC LIMITED | Private company limited by shares | Dissolved |
| IT-TECH SOLUTIONS LIMITED | Private company limited by shares | Live |
| ITTEL LIMITED | Private company limited by shares | Live |
| Ittelos Limited | Private company limited by shares | Live |
| ITTEN TRADING LIMITED | Private company limited by shares | Live |
| Ittenkai Limited | Private company limited by shares | Live |
| ITTI COMPANY LIMITED | Private company limited by shares | Live |
| ITTINO FURNITURE CO., LIMITED | Private company limited by shares | Live |
| ITTIZ LIMITED | Private company limited by shares | Live |
| OOMS, ITTNER ASIA LIMITED | Private company limited by shares | Dissolved |
| Itto Gyu Limited | Private company limited by shares | Live |
| ITTO Gallery Limited | | Live |
| Menya Itto Limited | Private company limited by shares | Live |
| Tonkotsu Itto Limited | Private company limited by shares | Live |
| Ittori Limited | Private company limited by shares | Live |
| ITT'S LIMITED | Private company limited by shares | Live |
| ittwwc Limited | Private company limited by shares | Live |
| ITTY HK LIMITED | Private company limited by shares | Live |
| ITTZO GROUP FRANCE LIMITED | Private company limited by shares | Live |
| iTube Limited | Private company limited by shares | Live |
| I-Tuition Company Limited | | Live |
| ITUNDE LIMITED | Private company limited by shares | Dissolved |
| ITUNEX LIMITED | Private company limited by shares | Live |
| I-TUNG MACHINERY INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| iTunnel Technology Limited | | Live |
| ITUT LIMITED | Private company limited by shares | Live |
| I-Tutors Team Limited | | Live |
| iTutorTalk Technology Limited | Private company limited by shares | Live |
| I.T.V. (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| i-TV Media Limited | Private company limited by shares | Live |
| ITVENTURES LIMITED | Private company limited by shares | Live |
| ITVM TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ITVN ASIA LIMITED | Private company limited by shares | Dissolved |