| LONGA BEST LIMITED | Private company limited by shares | Live |
| LONGA FAMILY LEARNING LIMITED | Private company limited by shares | Dissolved |
| LONGABLE LIMITED | Private company limited by shares | Dissolved |
| LONGABLE LIMITED | Private company limited by shares | Live |
| LONGACE LIMITED | Private company limited by shares | Live |
| LONGACE TRADE LIMITED | Private company limited by shares | Live |
| LONGAIM COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONGAIN LIMITED | Private company limited by shares | Dissolved |
| LONGAIN LIMITED | Private company limited by shares | Live |
| LonGain Consultancy Limited | Private company limited by shares | Live |
| LONGAIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LONGAIN INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| LONGAIN POWER LIMITED | Private company limited by shares | Live |
| LONGALE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LONGAN COMPANY LIMITED | Private company limited by shares | Live |
| LONGAN FIBC LIMITED | Private company limited by shares | Live |
| LONGAN LAW OFFICE LIMITED | Private company limited by shares | Live |
| HK LONGAN TRADE LIMITED | Private company limited by shares | Live |
| BEIJING LONGANHUACHENG STEEL STRUCTURE ENGINEERING LIMITED | Private company limited by shares | Live |
| HK LONGANSHUN TRADE LIMITED | Private company limited by shares | Live |
| CIC HIGHTIME RESOURCES LONGAO PTY LIMITED | Private company limited by shares | Dissolved |
| LONGAO TRADE LIMITED | | Live |
| LONGARISH LIMITED | Private company limited by shares | Dissolved |
| LONGARM LIMITED | Private company limited by shares | Dissolved |
| LONGARSUN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LONGART MECHANICAL LIMITED | Private company limited by shares | Dissolved |
| HK LONG-ASSISTANCE GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| LONGATE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| LONGATE HONG KONG LIMITED | Private company limited by shares | Dissolved |