| NEW ADDITION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SILVER ADDITION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ADDITION FURNITURE LIMITED | Private company limited by shares | Live |
| ADDITION HOLDINGS LIMITED | Private company limited by shares | Live |
| GRAND ADDITION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ADDITION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| KIND ADDITION INTERNATIONAL LIMITED | | Live |
| SHINING ADDITION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WHOLLY ADDITION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KIND ADDITION LIMITED | | Live |
| KIND ADDITION (HONG KONG) LIMITED | | Live |
| LEAGUE ADDITION LIMITED | Private company limited by shares | Live |
| Limited Addition Limited | Private company limited by shares | Live |
| Addition Plus Limited | Private company limited by shares | Live |
| POWER ADDITION LIMITED | Private company limited by shares | Live |
| REWARDING ADDITION (HONG KONG) LIMITED | Private company limited by shares | Live |
| STAR ADDITION LIMITED | | Live |
| CHARM ADDITION TRADING LIMITED | Private company limited by shares | Dissolved |
| ADDITIONAL FOCUS LIMITED | Private company limited by shares | Live |
| SAS Additiv (Asia) Limited | Private company limited by shares | Live |
| Richful Lube Additive (HongKong) Limited | | Live |
| Zongheng Additive Technology Company Limited | Private company limited by shares | Live |
| KCL ADDITIVES LIMITED | Private company limited by shares | Live |
| M.J. ADDITIVES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADDITRADE LIMITED | Private company limited by shares | Dissolved |
| Additude Public Relations Co. Limited | Private company limited by shares | Live |
| HONG KONG ADDIWE CHEMICAL CO., LIMITED | | Live |
| ADDIX CO., LIMITED | Private company limited by shares | Live |
| ADDIYEAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |