| Telcoson Limited | Private company limited by shares | Live |
| TELCOVIZ LIMITED | Private company limited by shares | Dissolved |
| TELCOX CO. LIMITED | Private company limited by shares | Live |
| Telcs Limited | Private company limited by shares | Live |
| TELD TEX COMPANY LIMITED | Private company limited by shares | Live |
| TELDAT ASIA LIMITED | Private company limited by shares | Live |
| INTERNATIONAL TELDATA ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| TELDEER TRADING LIMITED | Private company limited by shares | Dissolved |
| TELDEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELDION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELE WAY LIMITED | Private company limited by shares | Dissolved |
| TELE JOY LIMITED | Private company limited by shares | Dissolved |
| TELE INN LIMITED | Private company limited by shares | Dissolved |
| TELE TOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELE LIMITED | Private company limited by shares | Dissolved |
| Tele Lab HK Limited | Private company limited by shares | Live |
| Tele Asia Limited | Private company limited by shares | Live |
| TELE MARKET ASIA LIMITED | Private company limited by shares | Dissolved |
| TELE BEST LIMITED | Private company limited by shares | Live |
| DRAGON TELE LIMITED | Private company limited by shares | Live |
| TELE FORT LIMITED | Private company limited by shares | Dissolved |
| TELE GOLD LIMITED | Private company limited by shares | Live |
| TELE HILL LIMITED | Private company limited by shares | Dissolved |
| Tele Investment Limited | | Live |
| TELE JACK LIMITED | Private company limited by shares | Dissolved |
| TELE JOYFUL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELE METRO LIMITED | | Live |
| Red Tele Networks Limited | Private company limited by shares | Live |
| TELE PASS LIMITED | Private company limited by shares | Live |
| TELE PLAN LIMITED | Private company limited by shares | Dissolved |
| TELE POINT LIMITED | Private company limited by shares | Dissolved |
| TELE PORT LIMITED | Private company limited by shares | Dissolved |
| TELE RICH LIMITED | Private company limited by shares | Live |
| TELE YIELD LIMITED | Private company limited by shares | Live |
| TELEABLE COMPANY LIMITED | Private company limited by shares | Live |
| Teleact Technology Limited | Private company limited by shares | Dissolved |
| TELEAD TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| TELEADAPT (HONG KONG) LIMITED | Private company limited by shares | Live |
| TELEADS ASIA LIMITED | Private company limited by shares | Dissolved |
| TELEADS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| TELEAN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TELEANS LIMITED | Private company limited by shares | Dissolved |
| TELEANS FILM & ENTERTAINMENT PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| TELEANS TEXTILES COMPANY LIMITED | Private company limited by shares | Live |
| TELEANS TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELE-ART, LIMITED | Private company limited by shares | Dissolved |
| TELE-ART (HK) LIMITED | Private company limited by shares | Dissolved |
| TELE-ART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TELE-ART INTERNATIONAL LATEX LIMITED | Private company limited by shares | Dissolved |
| TELE-ART PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Telease Trading Company Limited | | Live |
| TELEAST LIMITED | Private company limited by shares | Dissolved |
| TeleB Limited | Private company limited by shares | Live |
| TELEBAHN LIMITED | Private company limited by shares | Live |
| TELEBEE PRODUCTS LIMITED | Private company limited by shares | Live |
| TeleBio Limited | | Live |
| TEL-E-BIZ COMPANY LIMITED | Private company limited by shares | Live |
| TELEBLE LIMITED | Private company limited by shares | Dissolved |
| TELEBON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Telebot Investment Limited | Private company limited by shares | Live |
| Telebox Limited | Private company limited by shares | Live |
| TELEBROADCAST ASIA LIMITED | Private company limited by shares | Dissolved |
| TELE-BROKER LIMITED | Private company limited by shares | Dissolved |
| TELECA LIMITED | Private company limited by shares | Dissolved |
| TELECARE LIMITED | Private company limited by shares | Dissolved |
| HK TELECARE CO., LIMITED | Private company limited by shares | Dissolved |
| TELECARE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TELECELL LIMITED | Private company limited by shares | Dissolved |
| TELECENTRE LIMITED | Private company limited by shares | Live |
| TELECENTRE LIMITED | Private company limited by shares | Dissolved |
| TELECHECK (HK) LIMITED | Private company limited by shares | Dissolved |
| TELECHIPS HK LIMITED | Private company limited by shares | Live |
| TELECHOICE LIMITED | Private company limited by shares | Dissolved |
| TELECHOICE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TELECHOICE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TELECITY LIMITED | Private company limited by shares | Dissolved |
| Teleclaw Limited | Private company limited by shares | Live |
| TELECLICK HK LIMITED | | Live |
| INF TELECO LIMITED | Private company limited by shares | Dissolved |
| TELECO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| TELECO (H.K.) LIMITED | Private company limited by shares | Live |
| Hong Kong Teleco Technology Limited | Private company limited by shares | Live |
| TELECO INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| TELECO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TELECO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TELECOI ASIA LIMITED | Private company limited by shares | Dissolved |
| TELECOLA CO., LIMITED | Private company limited by shares | Live |
| TELECOLOR LIMITED | Private company limited by shares | Dissolved |
| BB TELECOM LIMITED | Private company limited by shares | Dissolved |
| MKI TELECOM LIMITED | Private company limited by shares | Dissolved |
| CJ TELECOM LIMITED | Private company limited by shares | Live |
| TRP TELECOM LIMITED | Private company limited by shares | Dissolved |
| MAY TAI TELECOM LIMITED | Private company limited by shares | Dissolved |
| SUN WAH TELECOM LIMITED | Private company limited by shares | Dissolved |
| GO TELECOM LIMITED | Private company limited by shares | Dissolved |
| S T TELECOM LIMITED | Private company limited by shares | Live |
| AC TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEL TELECOM LIMITED | Private company limited by shares | Dissolved |
| TELECOM ONE LIMITED | Private company limited by shares | Dissolved |
| TSC TELECOM LIMITED | Private company limited by shares | Dissolved |