| CASI INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| CASI REALTY LIMITED | Private company limited by shares | Live |
| 23 CASIA LIMITED | Private company limited by shares | Live |
| Casia HK Limited | Private company limited by shares | Live |
| CASIA INVESTMENT LIMITED | | Live |
| CASIAN UNDERWRITERS AGENCY LIMITED | Private company limited by shares | Live |
| CASICloud Hong Kong Limited | Private company limited by shares | Live |
| CASICO LIMITED | Private company limited by shares | Live |
| CASICO ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| CASIDADES SA LIMITED | | Live |
| CASIFIT KITCHENWARE COMPANY LIMITED | Private company limited by shares | Live |
| Casigen Pharma Limited | Private company limited by shares | Live |
| Casigir International Trading Limited | | Live |
| CASIL CLEARING LIMITED | Private company limited by shares | Live |
| CASIL CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| CASIL ON-LINE EDUCATION LIMITED | Private company limited by shares | Dissolved |
| CASIL ELECTRONIC PRODUCTS LIMITED | Private company limited by shares | Live |
| CASIL TRANSPORT SYSTEMS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CASIL CULTURE INDUSTRY FUND MANAGEMENT LIMITED | Private company limited by shares | Live |
| CASIL CULTURE INDUSTRY INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| CASIL LANDS LIMITED | Private company limited by shares | Dissolved |
| CASIL ASIA PACIFIC NETWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASIL REALTY LIMITED | Private company limited by shares | Dissolved |
| CASIL SMATV ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CASIL TOURING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CASILAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASILMER TEXTILE LIMITED | Private company limited by shares | Dissolved |
| CASILON COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CASILON GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| CASIMICO LIMITED | Private company limited by shares | Dissolved |
| CASIMIR LIMITED | Private company limited by shares | Dissolved |
| Casimiro Limited | Private company limited by shares | Live |
| CASIMY INTERNATIONAL (GROUP) LIMITED | Private company limited by shares | Live |
| CASIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASIN MAGNETICS LIMITED | Private company limited by shares | Dissolved |
| CASIN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASIN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASINA LIMITED | Private company limited by shares | Dissolved |
| Casina Limited | | Live |
| CASINE (HK) ELECTRONICS CO. LIMITED | Private company limited by shares | Live |
| CASINE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASF CASING LIMITED | Private company limited by shares | Dissolved |
| CITADEL CASING LIMITED | Private company limited by shares | Live |
| H.K DAHONGTU TRADEMARK SUPPLEMENTARY MATERIALS PRESENT CASING CO., LIMITED | Private company limited by shares | Live |
| H.K DAHONGTU TRADEMARK SUPPLEMENTARY MATERIALS PRESENT CASING INT'L LIMITED | Private company limited by shares | Dissolved |
| DALIAN DALONG PLASTIC CASING CO., LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL CASING LIMITED | Private company limited by shares | Live |
| CN PRECISION CASING COMPANY LIMITED | Private company limited by shares | Live |
| CASING REALTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASING MONITOR KEYBOARD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JASON CASINGS LIMITED | | Live |
| PACIFIC CASINGS LIMITED | Private company limited by shares | Dissolved |
| CASINORY LIMITED | Private company limited by shares | Dissolved |
| CASIO COMPUTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| MITSUI CASIO TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| COOL CUSTOM CASIOAK LIMITED | | Live |
| CASION GLOVE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| CASIOS CO LIMITED | Private company limited by shares | Live |
| CASIROVER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CASISH 99 Limited | | Live |
| CAS-IT Co., Limited | Private company limited by shares | Dissolved |
| Casita Limited | Private company limited by shares | Live |
| Casita ESOP Limited | Private company limited by shares | Live |
| Casita Group Limited | Private company limited by shares | Live |
| CASITALIA LIMITED | Private company limited by shares | Dissolved |
| FRANCE CASITE BROTHERS WINERY CO., LIMITED | Private company limited by shares | Dissolved |
| France Casite Brothers Group Limited | Private company limited by shares | Live |
| FRANCE CASITE BROTHER WINE INDUSTRY SHARE LIMITED | Private company limited by shares | Dissolved |
| CasiTec Limited | Private company limited by shares | Live |
| FRENCH CASITEL BROTHER WINERIES CO., LIMITED | Private company limited by shares | Dissolved |
| Casitillo International Trading Co., Limited | Private company limited by shares | Live |
| CASITO LIMITED | Private company limited by shares | Live |
| CASIX LIMITED | Private company limited by shares | Live |