| YAMAGATA LIMITED | Private company limited by shares | Dissolved |
| YAMAGATA INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| YAMAGATA (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONGKONG YAMAGAWA CO., LIMITED | Private company limited by shares | Dissolved |
| YAMAGAWA PROMOTION LIMITED | Private company limited by shares | Dissolved |
| YAMAGAWA SPORTS LIMITED | Private company limited by shares | Live |
| YAMAGEN ELECTRONICS HONG KONG CO., LIMITED | Private company limited by shares | Live |
| YAMA-GEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| YAMAGEN HONG KONG CO., LIMITED | Private company limited by shares | Live |
| NOMIS AND YAMAGEN LIMITED | Private company limited by shares | Dissolved |
| SENWEN YAMAGEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| YAMAGIWA TRADING (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| YAMAGIWA DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yamaguchi Limited | | Live |
| YAMAGUCHI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YAMAGUCHI TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMAHA LIMITED | Private company limited by shares | Dissolved |
| CHONGQING YAMAHA GM POWER CO., LIMITED | Private company limited by shares | Live |
| JUNGONG YAMAHA POWER CO., LIMITED | Private company limited by shares | Live |
| GUANGZHOU HUANAN GROUP YAMAHA COOPERATION LIMITED | Private company limited by shares | Live |
| XUNCHI YAMAHA LOCOMOTIVE LIMITED | Private company limited by shares | Live |
| CHONGQING YAMAHA MACHINERY LIMITED | Private company limited by shares | Dissolved |
| CHONGQING YAMAHA PRINCE LIMITED | Private company limited by shares | Live |
| YAMAHACHI CHEMICAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMAHACHI DENTAL MFG. (HK) COMPANY LIMITED | Private company limited by shares | Live |
| HK YAMAHA.CO., LIMITED | Private company limited by shares | Live |
| YAMAHISA KABUSHIKI KAISHA LIMITED | Private company limited by shares | Dissolved |
| YAMAI LIMITED | Private company limited by shares | Live |
| YAMAICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| 3E YAMAICHI ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| YAMAICHI ELECTRONICS HONG KONG LIMITED | Private company limited by shares | Live |
| YAMAICHI FRUITS LIMITED | Private company limited by shares | Live |
| YAMAICHI (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| YAMAICHI HONG KONG CORPORATION LIMITED | Private company limited by shares | Live |
| YAMAICHI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMAICHI RYOKKA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMAICHI SEIKO (H.K.) LIMITED | Private company limited by shares | Live |
| YAMAICHI SEISAKU SHO LIMITED | Private company limited by shares | Dissolved |
| YAMAICHI TRADING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| YAMAJI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| YAMAJI TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| YAMAJUN LIMITED | Private company limited by shares | Live |
| YAMAKATA KAISHA LIMITED | Private company limited by shares | Dissolved |
| YAMAKEI COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMAKI LIMITED | Private company limited by shares | Dissolved |
| YAMAKIN (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| YAMAKIN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| POWER YAMAKKO COMPANY LIMITED | Private company limited by shares | Live |
| YAMAKO LIMITED | Private company limited by shares | Live |
| YAMAKO (CHINA) GROUP CO., LIMITED | Private company limited by shares | Live |
| GARFIELD & YAMAKO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Yamako Optical Company Limited | Private company limited by shares | Live |
| Yamako Optical Company Limited | Private company limited by shares | Live |
| YAMAKO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YAMAMH INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG YAMAMICHI LIMITED | Private company limited by shares | Dissolved |
| YAMAMOTO AV LIMITED | Private company limited by shares | Dissolved |
| YAMAMOTO LIMITED | Private company limited by shares | Dissolved |
| Yamamoto Limited | | Live |
| Yamamoto Amusement Limited | Private company limited by shares | Live |
| Yamamoto Family Company Limited | Private company limited by shares | Dissolved |
| YAMAMOTO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KO YAMAMOTO SHOTEN LIMITED | Private company limited by shares | Live |
| YAMAMOTO TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Success Yamamoto Trading Company Limited | Private company limited by shares | Live |
| YAMAMOTO AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| YAMAMURA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HK YAMAN LIMITED | Private company limited by shares | Live |
| HK YAMAN COSMETICS CO., LIMITED | Private company limited by shares | Dissolved |
| YAMANE LIMITED | Private company limited by shares | Live |
| YAMANE HONG KONG LIMITED | Private company limited by shares | Live |
| YAMANE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Yamani Company Limited | Private company limited by shares | Live |
| YAMANO BEAUTYMATE ASIA LIMITED | Private company limited by shares | Dissolved |
| S. YAMANOUCHI & COMPANY LIMITED | Private company limited by shares | Dissolved |
| JAPAN YAMANTU SEW MACHINE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| YAMANYAMO COMPANY LIMITED | Private company limited by shares | Live |
| Yamao Industry Co., Limited | Private company limited by shares | Live |
| YAMAO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GREEN TOP YAMAOKA AGRICULTURE (HK) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Yamaolin International Trading Limited | | Live |
| YAMARA CHINA LIMITED | Private company limited by shares | Dissolved |
| YAMARA CO., LIMITED | Private company limited by shares | Live |
| YAMARA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMARA LIGHTING CO., LIMITED | | Live |
| YAMARNA COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG YAMARY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Yamas Limited | | Live |
| YAMASAKI INVESTMENTS (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| Yamasaki Trading (HK) Company Limited | Private company limited by shares | Dissolved |
| YAMASAKI ASSOCIATES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| KATSUOMI YAMASAKI CORPORATION LIMITED | Private company limited by shares | Dissolved |
| YAMASAKI TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yamasakiya Company Limited | Private company limited by shares | Live |
| YAMASAN COMPANY LIMITED | Private company limited by shares | Live |
| HK YAMASHENGLIAN INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| YAMASHIMA (HK) LIMITED | Private company limited by shares | Dissolved |
| SAGAE YAMASHIN SERVICE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMASHIN SHIRONISHI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMASHIN HOKUBU NEWSPAPER CARRIER HONGKONG LIMITED | Private company limited by shares | Live |