| Choy May Metal Light Limited | Private company limited by shares | Live |
| FU CHOY MOTORS LIMITED | Private company limited by shares | Dissolved |
| CHOY LEE MOTORS (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| CHOY KEE NOODLE FACTORY LIMITED | Private company limited by shares | Live |
| PHILIP CHOY & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PHILIP CHOY PLASTIC MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| POTLUCK CHOY COMPANY LIMITED | | Live |
| CHOY YOM PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PHATT CHOY PRODUCTIONS LIMITED | Private company limited by shares | Live |
| CHOY YUN PROPERTIES LIMITED | Private company limited by shares | Live |
| C.T. CHOY PROPERTY LIMITED | Private company limited by shares | Dissolved |
| Ranga Choy Limited | | Live |
| CHOY KEE RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| C. C. CHOY SECRETARIES LIMITED | Private company limited by shares | Live |
| Choy Yung Service Limited | Private company limited by shares | Live Ceased dormancy on 01-Apr-2014 |
| CHOY SHING CHAU PAINTING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHOY LEE FAT (BUK SING) ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CHOY SUNG TAK TONG COMPANY LIMITED | Private company limited by shares | Live |
| KAM CHOY KEE SURVEYORS COMPANY LIMITED | Private company limited by shares | Live |
| CHOY KEE TAILOR & FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHOY LEE TECH LIMITED | Private company limited by shares | Live |
| CHOY SUN TONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIU CHOY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHOY TAK TRADING LIMITED | Private company limited by shares | Live |
| CHOY HOPE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WING CHOY TRANSPORT & TRADING LIMITED | Private company limited by shares | Live |
| CHOY KEE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| CHOY KEE TRANSPORTATION (CHINA-HK) TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| WHOLE CHOY LIMITED | Private company limited by shares | Dissolved |
| WONG AND CHOY LIMITED | Private company limited by shares | Dissolved |
| WONG CHOY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIU CHOY WONG (MONGKOK) RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| SIU CHOY WONG RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| WING CHOY SCAFFOLDING WORKS LIMITED | Private company limited by shares | Dissolved |
| W.S. CHOY & COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHOY MA YEUNG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YING CHOY LIMITED | Private company limited by shares | Dissolved |
| YING CHOY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Choya Investment Group Co. Limited | | Live |
| CHOYAT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHOYCE LIMITED | Private company limited by shares | Live |
| KRIS CHOYCE COMPANY LIMITED | Private company limited by shares | Live |
| ChoyChoy Kitchen Catering Limited | Private company limited by shares | Live |
| ChoyChoy Media Limited | Private company limited by shares | Live |
| CHOYE LIMITED | Private company limited by shares | Live |
| CHOYEI H.K. CO., LIMITED | Private company limited by shares | Dissolved |
| Choyi Beauty Limited | Private company limited by shares | Live |
| CHOYIS COMPANY LIMITED | Private company limited by shares | Live |
| CHOY'S CAPITAL LIMITED | Private company limited by shares | Live |
| CHOY'S INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| KWONG MING CHOY'S & SONS GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| CHOY'S INTERNATIONAL HEALTH PRODUCTS LIMITED | Private company limited by shares | Live |
| CHOY'S HOLDING LIMITED | Private company limited by shares | Live |
| CHOY'S JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| SAM SHUI, TUK SHUE KONG, CHOY'S CLANSMEN ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| CHOY'S HUMAN RESOURCE CONSULTANCY LIMITED | Private company limited by shares | Live |
| CHOY'S TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| CHOYSON INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| CHOYUEN LIMITED | Private company limited by shares | Dissolved |
| CHOYUEN INDUSTRIES LIMITED | Private company limited by shares | Live |
| CHOYUEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHOY-VALENTINE LIMITED | Private company limited by shares | Live |