| RELY TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TECHNICAL AND SALES SERVICES LIMITED | Private company limited by shares | Dissolved |
| Select Technical Services Limited | Private company limited by shares | Dissolved |
| SENERGY TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| Senergy Technical Services (Asia) Limited | Private company limited by shares | Live |
| SGS-CSTC Standards Technical Services Co., Limited | Private company limited by shares | Live Commenced dormancy on 06-May-2016 |
| SHINRYO TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SIX SIGMA TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SINOPAY (SHENZHEN) TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SKYFORCE TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SMART TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SMARTWARE TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| HK SOFTWARE TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| Somerset Lau Technical Services Limited | Private company limited by shares | Live |
| SPECIALIZED TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TOP STAR TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| FU STAR TECHNICAL SERVICES LIMITED | | Live |
| STARWAY FORTUNE OIL TECHNICAL SERVICES CO., LIMITED | Private company limited by shares | Live |
| STRAITS BORNEO TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Substrate Technical Services Limited | Private company limited by shares | Live |
| SUMARTECH TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SUNDART TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| SUNFIELD TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SunnyStar Technical Services (HK) Co., Limited | Private company limited by shares | Live |
| SUNSCOT TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SUNSCOT TECHNICAL SERVICES (1991) LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE TECHNICAL SERVICES (HONGKONG) LIMITED | Private company limited by shares | Live |
| SUPREME TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SURETY TECHNICAL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| TAJIMA TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Talents Testing Technical Services Co., Limited | Private company limited by shares | Live |
| ESQUIRE TECHNOLOGY & TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TECHSEAL TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TRAINOR TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| TURNING TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| UNIQUE TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNITED TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| UNIVERSAL TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| V-CAN TECHNICAL SERVICES CO., LIMITED | Private company limited by shares | Dissolved |
| VELOSI TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| WIND TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| OTTO WOLFF TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| HK HAI RUI XINLONG TECHNICAL SERVICES CO., LIMITED | Private company limited by shares | Live |
| XINMAO TECHNICAL SERVICES CO., LIMITED | Private company limited by shares | Live |
| Asia Yacht Technical Services Company Limited | | Live |
| MAN YEUNG TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| YOKINE TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SEVEN STAR TECHNICAL LIMITED | Private company limited by shares | Live |
| JIT SHING TECHNICAL LIMITED | Private company limited by shares | Live |
| HK UNIT Ship Technical Service Co., Limited | Private company limited by shares | Live |
| TECHNICAL SIGNAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SILKROAD TECHNICAL & TRADING CO., LIMITED | Private company limited by shares | Live |
| SING FAI TECHNICAL LIMITED | Private company limited by shares | Live |
| Cheuk Sing Technical (Trading) Engineering Limited | Private company limited by shares | Live |
| HANG SING TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Wai Sing (Group) Technical Company Limited | Private company limited by shares | Live |
| SINO TECH TECHNICAL DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO TECHNICAL INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Sinomarine Engineering & Technical Service Co., Limited | | Live |
| SKIERKA TECHNICAL CONSULTING LIMITED | Private company limited by shares | Live |
| ARTISAN TECHNICAL SKILLS SERVICES LIMITED | | Live |
| SEE RUI SMART TECHNICAL LIMITED | Private company limited by shares | Live |
| TECHNICAL ANALYSTS SOCIETY (HONG KONG) LIMITED | Company limited by guarantee | Dissolved |
| Technical Solution Limited | | Live |
| GALAXY TECHNICAL SOLUTION LIMITED | Private company limited by shares | Dissolved |
| GLOCAL TECHNICAL SOLUTION LIMITED | Private company limited by shares | Dissolved |
| RENEWABLE TECHNICAL SOLUTION LIMITED | Private company limited by shares | Live |
| JL Technical Solutions Company Limited | Private company limited by shares | Live |
| ROY TECHNICAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| TECHNICAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| AEROSPACE TECHNICAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| Anglo-Asian Technical Solutions Limited | Private company limited by shares | Live Commenced dormancy on 29-Jul-2016 |
| ASIA TECHNICAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| ASIAN TECHNICAL SOURCING LIMITED | Private company limited by shares | Live |
| SOUTHA TECHNICAL LIMITED | Private company limited by shares | Live |
| SPECIALIST TECHNICAL SOLUTIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPRING TECHNICAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Technical Standards Limited | Private company limited by shares | Live |
| TECHNICAL STAR LIMITED | Private company limited by shares | Dissolved |
| Fortune Star (HK) Technical Co., Limited | Private company limited by shares | Live |
| STAR ORIGINAL TECHNICAL LIMITED | | Live |
| STAR PETERSBURG TECHNICAL EXPERT COMPANY LIMITED | Private company limited by shares | Dissolved |
| START MARINE TECHNICAL & SPARES LIMITED | Private company limited by shares | Live |
| TECHNICAL STEEL COMPANY LIMITED | Private company limited by shares | Live |
| Technical Special Steel Trading Co., Limited | Private company limited by shares | Live |
| TECHNICAL SPECIAL STEEL COMPANY LIMITED | Private company limited by shares | Live |
| TECHNICAL STONES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| STRONGMEN TECHNICAL COMPANY LIMITED | Private company limited by shares | Live |
| CHINESE TECHNICAL STUDENTS TRAINING CENTRE LIMITED | Private company limited by shares | Dissolved |
| JANPAN HONDA TECHNICAL STUDY HOLDING LIMITED | Private company limited by shares | Dissolved |
| STVISION TECHNICAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Sumtotal Systems Technical Services Limited | Private company limited by shares | Dissolved |
| SUNCOE TECHNICAL CO., LIMITED | Private company limited by shares | Live |
| SUNCOME TECHNICAL CO. LIMITED | Private company limited by shares | Live |
| GUANGDONG SUNCOO TECHNICAL CO., LIMITED | Private company limited by shares | Live |
| SUNRISE TECHNICAL COMPANY LIMITED | Private company limited by shares | Live |
| SUNSONG TECHNICAL COMPANY LIMITED | Private company limited by shares | Live |
| SUPA TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SUPER TECHNICAL CENTRE LIMITED | Private company limited by shares | Live |
| UC TECHNICAL SUPERVISION COMPANY LIMITED | Private company limited by shares | Dissolved |