| Company Name | Type | Status |
|---|---|---|
| LONGTH ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Longth Co., Limited | Live | |
| LONGTHAI INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |
| LongThai Prescription Technology (Int'l) Holdings Limited | Live | |
| Longthium Energy (Hong Kong) International Limited | Live |