| HOYA TOP LIMITED | Private company limited by shares | Dissolved |
| HOYA LIMITED | Private company limited by shares | Dissolved |
| HOYA LIMITED | Private company limited by shares | Live |
| E HOYA LIMITED | | Live |
| HOYA CAPITAL LIMITED | Private company limited by shares | Live |
| HOYA (CHINA) FOUNDATION LIMITED | Private company limited by shares | Live |
| CHINA HOYA INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HOYA INTERNATIONAL FREIGHT CO., LIMITED | Private company limited by shares | Dissolved |
| HOYA INTERNATIONAL CONSULTANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOYA CONSULTING LIMITED | Private company limited by shares | Live |
| HOYA ESTATES LIMITED | Private company limited by shares | Dissolved |
| HOYA GLOBAL LIMITED | Private company limited by shares | Live |
| HOYA INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HOYA MTC (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HOYA INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| HOYA INDUSTRIAL (HK) CO LIMITED | Private company limited by shares | Dissolved |
| HOYA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Hoya International Limited | | Live |
| HOYA INTERTRADE LIMITED | Private company limited by shares | Dissolved |
| HOYA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Hoya Lighting Co., Limited | Private company limited by shares | Live |
| HOYA DATA MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| HOYA Manufacturing Co., Limited | Private company limited by shares | Dissolved |
| HOYA MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HOYA OPTICAL (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| Hoya International Optics Co., Limited | | Live |
| ORIENTAL HOYA CO., LIMITED | Private company limited by shares | Dissolved |
| HOYA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HOYA TECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HOYA TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HOYA TRADER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HK HOYA TRADING LIMITED | | Live |
| HOYA TRADING CO., LIMITED | Private company limited by shares | Live |
| Hoya HK International Trading Limited | Private company limited by shares | Live |
| Hoyabeauty Limited | | Live |
| HOYALAND COMPANY LIMITED | Private company limited by shares | Live |
| HOYAMA (H.K.) LIMITED | Private company limited by shares | Live |
| HOYAN DECORATIONS & FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| HOYANG MACHINERY CO., LIMITED | Private company limited by shares | Live |
| HOYANG ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| Hoyang Hong Kong Limited | Private company limited by shares | Live |
| HK HOYANG INDUSTRY LIMITED | Private company limited by shares | Live |
| HOYANG TRADE LIMITED | Private company limited by shares | Live |
| HONGKONG HOYAR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HOYAR INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| HK HOYATEC ELECTRONICS STOCK LIMITED | Private company limited by shares | Live |
| HongKong Hoyatek Co., Limited | Private company limited by shares | Live |
| HOYATEK TRADING LIMITED | Private company limited by shares | Live |
| SHENZHEN HOYATT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HOYBELL (SWITZERLAND) INT'L GROUP LIMITED | Private company limited by shares | Live |
| HOYDON LIMITED | Private company limited by shares | Dissolved |
| HOYE COMPANY LIMITED | Private company limited by shares | Live |
| HOYEAR LIMITED | Private company limited by shares | Live |
| HOYEE LIMITED | Private company limited by shares | Dissolved |
| HOYEE TRADING LIMITED | Private company limited by shares | Live |
| HOYELL LIMITED | Private company limited by shares | Live |
| Hoyen Limited | Private company limited by shares | Live |
| Ho-Yen Development Limited | Private company limited by shares | Dissolved |
| Hoyenshan love spread Hong Kong Limited | Private company limited by shares | Live |
| HOYER LIMITED | Private company limited by shares | Live |
| HOYER ASIA LIMITED | Private company limited by shares | Dissolved |
| RICHARD HOYER LIMITED | Private company limited by shares | Live |
| HOYER SINOBULK LIMITED | Private company limited by shares | Dissolved |
| HOYES LIMITED | Private company limited by shares | Dissolved |
| HOYET LIMITED | Private company limited by shares | Dissolved |
| HOYET ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HOYET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Hoyet Fashion Tailoring Limited | | Live |
| HOYETA LIMITED | Private company limited by shares | Live |
| SHENZHEN HOYHA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HOYI LIMITED | Private company limited by shares | Live |
| HOYI CO., LIMITED | | Live |
| HOYI GLASS CO., LIMITED | Private company limited by shares | Live |
| HOYI GLOBAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| HOYI INTERNATIONAL INVESTMENT GROUP COMPANY LIMITED | Private company limited by shares | Live |
| HOYI INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| HOYI INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Hoyi Merchandise Company Limited | | Live |
| HOYI SUNWAY LIMITED | Private company limited by shares | Live |
| HOYI TECHNOLOGIES LIMITED | | Live |
| HOYI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HK HOYI TRADING CO., LIMITED | Private company limited by shares | Live |
| Hoyi trading (HK) Co., Limited | Private company limited by shares | Live |
| HO-YIH ELECTRICS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| HOYIK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HOYIK (H.K.) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| HOYIM1 LIMITED | | Live |
| HOYIM2 LIMITED | | Live |
| HOYIM3 LIMITED | | Live |
| HOYIM4 LIMITED | | Live |
| HOYIM5 LIMITED | | Live |
| HOYIMOB LIMITED | | Live |
| Hoyin Sports Event Limited | Private company limited by shares | Live |
| HOYIN1 LIMITED | | Live |
| HOYIN2 LIMITED | | Live |
| HOYIN3 LIMITED | | Live |
| HOYIN4 LIMITED | | Live |
| HOYIN43 LIMITED | | Live |
| HOYIN44 LIMITED | | Live |
| HOYING-COASTAL MGO LIMITED | Private company limited by shares | Live |