| Signaller Electrical Technology Co., Limited | Private company limited by shares | Live |
| USA SMITH ELECTRICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SWAY ELECTRICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TWILIGHT ELECTRICAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Wattsaving HK Electrical Technology Co., Limited | | Live |
| Wonsun Machinery and Electrical Technology Co., Limited | Private company limited by shares | Live |
| ITALY LAOKESIDUN THERMAL ENERGY ELECTRICAL LIMITED | Private company limited by shares | Live |
| TIANG FOOK ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOLONA ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| HAI TONG ELECTRICAL LIMITED | Private company limited by shares | Live |
| TONGZHOU ELECTRICAL APPLIANCE LIMITED | Private company limited by shares | Live |
| GROUP TOWER ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| WAI BONG ELECTRICAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| FLOURISH AND GROW ELECTRICAL TRADING LIMITED | Private company limited by shares | Live |
| HANG FAT ELECTRICAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN HING ELECTRICAL & TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI HING ELECTRICAL TRADING LIMITED | Private company limited by shares | Dissolved |
| YUEN HING ELECTRICAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HOLDER ELECTRICAL TRADING LIMITED | Private company limited by shares | Dissolved |
| Ever Peace Electrical Trading Limited | Private company limited by shares | Live |
| POWERFUL ELECTRICAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TUNG TAK ELECTRICAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI TUNG ELECTRICAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL SKY ELECTRICAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| YUANDA ELECTRICAL INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| CHINA TRIPLE ELECTRICAL INTERNATIONAL TRAVEL HK LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE ELECTRICAL APPLIANCE DEV. LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE FAMILY ELECTRICAL APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| TRIANGULAR ELECTRICAL LIMITED | Private company limited by shares | Dissolved |
| TRIANGULAR ELECTRICAL ZHONGSHAN LIMITED | Private company limited by shares | Dissolved |
| GRAND TRUE ELECTRICAL CO. LIMITED | Private company limited by shares | Dissolved |
| TRUE-BLUE ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| TRUMP CARD ELECTRICAL (SHENZHEN) LIMITED | Private company limited by shares | Live |
| KAM TSUEN MECHANICAL & ELECTRICAL LIMITED | Private company limited by shares | Live |
| TUNG HOI ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| TUNG AH ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG LIK ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FU TUNG ELECTRICAL LIMITED | Private company limited by shares | Live |
| KAI TUNG ELECTRICAL LIMITED | | Live |
| Tung Bo Electrical Limited | | Live |
| TUNG MING ELECTRICAL (ASIA) LIMITED | Private company limited by shares | Live |
| TUNG TAT ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| TUNG MING ELECTRICAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| TUNG YUNG ELECTRICAL SUPPLIES LIMITED | Private company limited by shares | Live |
| TUNG YUEN ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| GERMANY TUNGKEI ELECTRICAL (HK) TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TUNPO ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUN LE ELECTRICAL (USA) LIMITED | Private company limited by shares | Live |
| UTILE ELECTRICAL MACHINERY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| VAIIL INTELLIGENT ELECTRICAL (GERMANY) LIMITED | Private company limited by shares | Dissolved |
| VAST WIN ELECTRICAL LIMITED | | Live |
| VERTEX ELECTRICAL LIMITED | Private company limited by shares | Live |
| VICTOR ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Visbo Electrical Limited | Private company limited by shares | Live |
| SUNKO LASER, AUDIO & VISUAL ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| WANDASHEN ELECTRICAL LIMITED | Private company limited by shares | Live |
| WANG FAT ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG TAT ELECTRICAL LIMITED | Private company limited by shares | Live |
| WANG YIP ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG PAN ELECTRICAL LIMITED | Private company limited by shares | Live |
| Tai Wang Electrical Company Limited | Private company limited by shares | Live |
| HING KEE WATERPIPES & ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| WAWEL ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEALTHY ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| GERMANY WEI'ERSEN ELECTRICAL INT'L LIMITED | Company limited by guarantee | Dissolved |
| WELLHONG ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELLSTART ELECTRICAL LIMITED | Private company limited by shares | Live |
| WESTERN ELECTRICAL APPLIANCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WHITENING ELECTRICAL LIMITED | Private company limited by shares | Live |
| WINCHESTER ELECTRICAL LIMITED | Private company limited by shares | Dissolved |
| WINCORE ELECTRICAL HK LIMITED | Private company limited by shares | Live |
| WING TAI ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO WING ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| KIT WING ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING WAH ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING KEI ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| WING ON ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT WING ELECTRICAL LIMITED | Private company limited by shares | Live |
| WING FAI ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| WING WAH ELECTRICAL CO. LIMITED | Private company limited by shares | Live |
| YU WING ELECTRICAL LIMITED | Private company limited by shares | Live |
| WING TAK ELECTRICAL LIMITED | Private company limited by shares | Live |
| WING CHIT ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YIU ELECTRICAL CONTRACTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING WOO ELECTRICAL & CONTRACTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING FAT ELECTRICAL (MACAU) COMPANY LIMITED | Private company limited by shares | Live |
| WING MING ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| WINTEC ELECTRICAL LIMITED | Private company limited by shares | Live |
| WINTEX ELECTRICAL LIMITED | Private company limited by shares | Live |
| NAM HING ELECTRICAL WIRE & CABLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOTO ELECTRICAL WIRE CO., LIMITED | Private company limited by shares | Dissolved |
| TOTO ELECTRICAL WIRE (H.K.) CO LIMITED | Private company limited by shares | Dissolved |
| WODIAN ELECTRICAL APPLIANCE HK CO., LIMITED | Private company limited by shares | Live |
| Wondereach Electrical Appliance Co., Limited | | Live |
| KAI AH METAL & ELECTRICAL WORK LIMITED | Private company limited by shares | Dissolved |
| LUNG TO ELECTRICAL WORKS COMPANY LIMITED | Private company limited by shares | Live Ceased dormancy on 29-Apr-2014 |
| Tak Lung Air-Condition & Electrical Works Limited | Private company limited by shares | Live |
| WOTIONA ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| XEDAK ELECTRICAL LIMITED | Private company limited by shares | Dissolved |
| XIAN CHUANRONG ELECTRICAL GROUP LIMITED | Private company limited by shares | Live |