| DENK ENERGY TECHNIQUE LIMITED | Private company limited by shares | Live |
| DENKA COMPANY LIMITED | Private company limited by shares | Live |
| Denka Chemicals Hong Kong Limited | Private company limited by shares | Live |
| DENKA INVESTMENT LIMITED | Private company limited by shares | Live |
| NITTOU DENKA (HK) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| DENKAI DIGITAL LIMITED | Private company limited by shares | Live |
| ITALY DENKALUD FINERY LIMITED | Private company limited by shares | Dissolved |
| DENKEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DENKER LIMITED | Private company limited by shares | Dissolved |
| DENKER COMPANY LIMITED | Private company limited by shares | Live |
| NM Denki Limited | Private company limited by shares | Live |
| ARTS TAISEI DENKI LIMITED | Private company limited by shares | Live |
| NIKKO BEKI DENKI LIMITED | Private company limited by shares | Dissolved |
| CHUYO DENKI LIMITED | Private company limited by shares | Live |
| FUJIMI DENKI (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| WAKO DENKI CO., LIMITED | Private company limited by shares | Dissolved |
| DENKI TECHNOLOGY CREATION LIMITED | Private company limited by shares | Dissolved |
| TOYO DENKI ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| ALKA DENKI ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD DENKI LIMITED | Private company limited by shares | Live |
| HIKARI DENKI COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN DENKI (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI YOU DENKI (H.K.) LIMITED | Private company limited by shares | Live |
| AIKA DENKI (HK) LIMITED | Private company limited by shares | Dissolved |
| NAGOYA DENKI (HK) CO., LIMITED | Private company limited by shares | Live |
| TOWA DENKI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| ZHEN HAO DENKI (H.K) CO., LIMITED | | Live |
| H.K. KANEKO DENKI COMPANY LIMITED | Private company limited by shares | Dissolved |
| KYOEI DENKI (HK) LIMITED | Private company limited by shares | Live |
| NIKKOU DENKI (HK) CO., LIMITED | Private company limited by shares | Live |
| NITTOH DENKI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| OHNISHI DENKI (HK) LIMITED | Private company limited by shares | Dissolved |
| SANYO DENKI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SEIKO DENKI (HK) LIMITED | Private company limited by shares | Dissolved |
| TOYO DENKI (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAKO DENKI (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| TOKYO DENKI HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ASAHI DENKI (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ASAHI DENKI LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BEST DENKI CO., LIMITED | Private company limited by shares | Dissolved |
| Kobayashi Denki Hong Kong Limited | | Live |
| DENKI ( HONG KONG ) LIMITED | Private company limited by shares | Dissolved |
| MUSASHI DENKI (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| TAMAGAWA DENKI HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HONG KONG YASHIMA DENKI LIMITED | Private company limited by shares | Live |
| TianLe Denki Trading (HongKong) Co. Limited | Private company limited by shares | Live |
| MIYAGI DENKI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ITOH DENKI ASIA LIMITED | Private company limited by shares | Live |
| KAIFA DENKI LIMITED | Private company limited by shares | Dissolved |
| KARUMI DENKI LIMITED | Private company limited by shares | Dissolved |
| MEIWA DENKI KOGYO CO., (H.K.) LIMITED | Private company limited by shares | Live |
| SHOWA DENKI KOGYO ( H.K. ) LIMITED | Private company limited by shares | Dissolved |
| MANSEI DENKI HK LIMITED | Private company limited by shares | Live |
| MIBUKA DENKI ELECTRICAL CONTROLS LIMITED | Private company limited by shares | Live |
| MIYAGI DENKI COMPANY LIMITED | Private company limited by shares | Dissolved |
| NIKKO DENKI COMPANY LIMITED | Private company limited by shares | Dissolved |
| NISSEI DENKI (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SANKYO DENKI LIMITED | Private company limited by shares | Live |
| SANSHIN DENKI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SEKO DENKI LIMITED | Private company limited by shares | Dissolved |
| DENKI MOTOR SERVICE LIMITED | Private company limited by shares | Live |
| DENKI AV SERVICES LIMITED | Private company limited by shares | Live |
| TANASHIN DENKI ( HK ) LIMITED | Private company limited by shares | Live |
| TOKIWA DENKI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TOMEI DENKI LIMITED | Private company limited by shares | Dissolved |
| TOTOKI DENKI COMPANY LIMITED | Private company limited by shares | Live |
| ALKA DENKI TRADING COMPANY LIMITED | Private company limited by shares | Live |
| USHIYAMA DENKI LIMITED | Private company limited by shares | Live |
| DENKIAN COMPANY LIMITED | Private company limited by shares | Live |
| DENKIN LIMITED | Private company limited by shares | Dissolved |
| DENKING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Denkishizai (Hong Kong) Company Limited | Private company limited by shares | Live |
| DENKO LIMITED | Private company limited by shares | Live |
| Hongkong Denky Electronic Technology Co., Limited | Private company limited by shares | Live |
| HK D-ENKY International Trade Development Co., Limited | | Live |