| WING WAH DISPENSARY (SHEK YAM) LIMITED | Private company limited by shares | Live |
| GAMES CENTRE (SHEK YAM) LIMITED | Private company limited by shares | Dissolved |
| DOR MAN(SHEK YAM) LIMITED | | Live |
| MING KEE SUPERMARKET (SHEK YAM) LIMITED | Private company limited by shares | Live |
| Sure Win (Yam Sing) Limited | | Live |
| YAMA LIMITED | Private company limited by shares | Live |
| QV Yama Limited | Private company limited by shares | Live |
| YAMA Now Limited | Private company limited by shares | Live |
| YAMA CATERING LIMITED | Private company limited by shares | Dissolved |
| YAMA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Yama & Co. Investment Limited | Private company limited by shares | Live |
| Yama Japanese Restaurant Limited | | Live |
| SHIN YAMA ICHI COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yama Tsuki Company Limited | | Live |
| YAMAARU INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YAMABISI ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Yamabuddy Technology Limited | Private company limited by shares | Live |
| YAMABUN (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| Yamabun Trading Limited | Private company limited by shares | Live |
| YAMACARDO LIMITED | | Live |
| YAMACHO YOUKOU LIMITED | Private company limited by shares | Live |
| Yamachu Gohan International Limited | Private company limited by shares | Live |
| YAMACHU YAGUCHI (HK) LIMITED | Private company limited by shares | Dissolved |
| YAMACO LIMITED | Private company limited by shares | Dissolved |
| YAMADA COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMADA YA LIMITED | Private company limited by shares | Live |
| AJI YAMADA COMPANY LIMITED | Private company limited by shares | Live |
| YAMADA LIMITED | Private company limited by shares | Live |
| YAMADA AMUSEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMADA MIN CO., LIMITED | | Live |
| YAMADA COMPONENT LIMITED | Private company limited by shares | Dissolved |
| YAMADA DISPLAY COMPANY LIMITED | Private company limited by shares | Live |
| YAMADA ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMADA GROUP LIMITED | Private company limited by shares | Live |
| YAMADA INVESTMENT LIMITED | Private company limited by shares | Live |
| YAMADA PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Yamada Research Limited | | Live |
| YAMADA UNITEC COMPANY LIMITED | Private company limited by shares | Live |
| YAMADAKOKI LIMITED | | Live |
| KOREA YAMADI COSMETICS LIMITED | Private company limited by shares | Dissolved |
| YAMAGA LIMITED | Private company limited by shares | Live |
| 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 |