| Volcano Limited | Private company limited by shares | Dissolved |
| VOLCANO LIMITED | Private company limited by shares | Live |
| RED VOLCANO LIMITED | Private company limited by shares | Live |
| Volcano Capital Co., Limited | Private company limited by shares | Live |
| HK VOLCANO E-COMMERCE CO., LIMITED | | Live |
| HK VOLCANO INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| VOLCANO DESIGN CO., LIMITED | Private company limited by shares | Dissolved |
| VOLCANO DIGITAL CO. LIMITED | Private company limited by shares | Dissolved |
| VOLCANO EDUCATION LIMITED | Private company limited by shares | Dissolved |
| VOLCANO ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| VOLCANO ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Volcano Game Limited | Private company limited by shares | Live |
| YELLOWSTONE VOLCANO GLOBAL CAPITAL LIMITED | Private company limited by shares | Live |
| VOLCANO GRILL LIMITED | Private company limited by shares | Live |
| GOLD VOLCANO GROUP LIMITED | Private company limited by shares | Live |
| VOLCANO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG VOLCANO CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Little Volcano Co., Limited | | Live |
| Hong Kong Volcano Construction Engineering Limited | | Live |
| Volcano Tea Hong Kong Limited | Private company limited by shares | Live |
| VOLCANO INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| VOLCANO OUTDOOR LIGHTING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Volcano International Limited | Private company limited by shares | Live |
| VOLCANO JEWELRY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Little Volcano International Trade Co., Limited | | Live |
| VOLCANO INTERNATIONAL INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| VOLCANO MUSIC INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| VOLCANO PRODUCTION LIMITED | Private company limited by shares | Live |
| Volcano New Media Promotion Brokerage Limited | | Live |
| Volcano Tech Limited | Private company limited by shares | Live |
| Volcano Technology Limited | Private company limited by shares | Live |
| VOLCANO TECHNOLOGY ADVERTISING LIMITED | | Live |
| VOLCANO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Volcano Force Technology Co., Limited | Private company limited by shares | Live |
| Volcano Source Technology Group Limited | Private company limited by shares | Dissolved |
| Volcano Trade Limited | | Live |
| Volcano International Trading Limited | Private company limited by shares | Live |
| VOLCANOLOGY LIMITED | Private company limited by shares | Live |