| VISION TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| VTECH TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| WALLACE TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| WAVELINK TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| XINMEI TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| TAI YUNG TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ZONE ONE TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ASIA PACIFIC TELECOMMUNITY COMPANY LIMITED | Private company limited by shares | Dissolved |
| EEC TELECOMS LIMITED | Private company limited by shares | Dissolved |
| KIN SON TELECOMS LIMITED | Private company limited by shares | Dissolved |
| BITRONIC TELECOMS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KONG SUN TELECOMS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC DIGITAL TELECOMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Telecoms Trade Limited | Private company limited by shares | Live |
| Telecomsoft Limited | Private company limited by shares | Dissolved |
| JU RUN TELECOM-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| H.K.Scitech Telecom.Tech. Limited | Private company limited by shares | Live |
| TELECOM-TRAINING ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| TELECOMUNICATION CARRIERS LIMITED | Private company limited by shares | Dissolved |
| TELECOMUNICATIONS ASIA PROVIDER LIMITED | Private company limited by shares | Dissolved |
| TELE-CON COMPANY LIMITED | Private company limited by shares | Live |
| TELECON ASIA LIMITED | Private company limited by shares | Dissolved |
| TELECON (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TELECON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TELECONCEPT-MULTIMEDIA CHINA LIMITED | Private company limited by shares | Dissolved |
| TELECONEK LIMITED | Private company limited by shares | Live |
| Teleconnext Company Limited | Private company limited by shares | Live |
| TELECONTINENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELECOPIE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Sep-2002 |
| TELE-CORE LIMITED | Private company limited by shares | Live |
| T. M. Telecore Company Limited | Private company limited by shares | Live |
| TELECORP DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Telecosys Limited | Private company limited by shares | Live |
| TELECOX LIMITED | Private company limited by shares | Dissolved |
| TELECREST TELECOM TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| TELECROWN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GLORY TELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| TELE-CUISINE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TeleCycle Limited | Private company limited by shares | Live |
| Telecycling Limited | Private company limited by shares | Dissolved |
| TELEDAR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TELEDATA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TELE-DATA LIMITED | Private company limited by shares | Live |
| TELEDATA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TELEDATA MARINE SYSTEMS LIMITED | Private company limited by shares | Live |
| TELE-DATA PERSONNEL AGENCIES LIMITED | Private company limited by shares | Dissolved |
| TELEDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELEDESIC HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELEDESIGN CO. LIMITED | Private company limited by shares | Dissolved |
| TELEDEVICE COMPANY LIMITED | Private company limited by shares | Live |
| TELEDIL LIMITED | Private company limited by shares | Live |
| TELEDIRECT LIMITED | Private company limited by shares | Dissolved |
| TELEDIRECT HONG KONG LIMITED | Private company limited by shares | Live |
| HK Teledome Limited | Private company limited by shares | Live |
| TELEDOOR INVESTMENT LIMITED | Private company limited by shares | Live |
| TELEDYNAMICS LIMITED | Private company limited by shares | Dissolved |
| LAMBDA TELE-EQUIPMENT LIMITED | Private company limited by shares | Live |
| TELEEYE LIMITED | Private company limited by shares | Live |
| TeleEye Founders' Charity Foundation Limited | Company limited by guarantee | Live |
| TELEEYE ENTERPRISES (HK) LIMITED | Private company limited by shares | Live |
| TeleEye Health Care (HK) Limited | Private company limited by shares | Live |
| TeleEye Intelligence Limited | | Live |
| TELEEYE SOLUTIONS LIMITED | Private company limited by shares | Live Ceased dormancy on 08-Jun-2015 |
| TELEEYE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| TELEFAIR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELEFAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELEFIELD LIMITED | Private company limited by shares | Live |
| Telefield Vision Limited | Private company limited by shares | Live |
| WOORI TELEFIELD LIMITED | Private company limited by shares | Dissolved |
| TELEFILM LIMITED | Private company limited by shares | Dissolved |
| TELEFINE LIMITED | Private company limited by shares | Dissolved |
| TELEFLORA LIMITED | Private company limited by shares | Live |
| TELEFLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| H2 TELEFONICA LIMITED | Private company limited by shares | Live |
| TELEFONIKA LIMITED | Private company limited by shares | Dissolved |
| TELEFOONIK LIMITED | Private company limited by shares | Live |
| TELEFORCE LIMITED | Private company limited by shares | Live |
| GLOBAL TELEFORCE LIMITED | Private company limited by shares | Live |
| TELEFORCE GROUP LIMITED | Private company limited by shares | Live |
| TELEFORD LIMITED | Private company limited by shares | Dissolved |
| Teleforth Applied Technologies Limited | | Live |
| TELEFORTUNE LIMITED | Private company limited by shares | Dissolved |
| TELEFORTUNE (CHINA) INVESTMENTS LIMITED | Private company limited by shares | Live |
| TELEFORTUNE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Telefortune Group Holdings Limited | Private company limited by shares | Live |
| TELEFREE LIMITED | Private company limited by shares | Dissolved |
| TELEFREE HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELEFUND INVESTMENT LIMITED | Private company limited by shares | Live |
| TELEFUNKEN Asia Limited | Private company limited by shares | Live |
| TELEFUNKEN LICENSE AND INVESTMENT LIMITED | Private company limited by shares | Live |
| Germany Telega System Doors And Windows Co., Limited | Private company limited by shares | Live |
| TELEGAERTNER CHINA LIMITED | Private company limited by shares | Dissolved |
| TELEGAIN LIMITED | Private company limited by shares | Dissolved |
| TELEGAIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TELEGENE LIMITED | Private company limited by shares | Dissolved |
| Telegenomics and Telegenetics Company Limited | | Live |
| TELEGIS NETWORKS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Telegistix Limited | Private company limited by shares | Live |
| TELEGLOBAL LIMITED | Private company limited by shares | Dissolved |
| BEST TELEGLOBE LIMITED | Private company limited by shares | Dissolved |