| IEV TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| CL TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| LMC TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| PO WAH TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| RGS TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| BAR Technical Services Limited | Private company limited by shares | Live |
| WAL Technical Services Limited | Private company limited by shares | Live |
| PV TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| DGD TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| VTS Technical Services HK Limited | Private company limited by shares | Dissolved |
| IE TECHNICAL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| RSW TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| IPD TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| IFE Technical Services Limited | Private company limited by shares | Live |
| LIA TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| CLP Technical Services Limited | Private company limited by shares | Live |
| JTC Technical Services Limited | Private company limited by shares | Live |
| CSC Technical Services Company Limited | Private company limited by shares | Live |
| AGA Technical Services Limited | Private company limited by shares | Live |
| Technical IT Services Limited | Private company limited by shares | Live |
| Sun Lun Technical Services Limited | Private company limited by shares | Live |
| SKY ONE TECHNICAL SERVICES LIMITED | | Live |
| ACCORD TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ACKERMAN TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ACME TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| Acquiring Technical Services Limited | | Live |
| Activation Technical Services Limited | | Live |
| ADJUSTING TECHNICAL SERVICES (HK) LIMITED | Private company limited by shares | Live |
| ADVANTAGE TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ALCATEL ASIA TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ALLIANCE TECHNICAL SERVICES (PRC) LIMITED | Private company limited by shares | Dissolved |
| ALLWIN TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| NORTH AMERICA TECHNICAL SERVICES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ANGLO TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ANGLO-EASTERN TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ANTIFIRE TECHNICAL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| ASIA TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TECHNICAL SOFTWARE SERVICES ASIA LIMITED | Private company limited by shares | Dissolved |
| HARBOUR PLAZA TECHNICAL ASSISTANCE SERVICES LIMITED | Private company limited by shares | Dissolved |
| Associated Technical Services Limited | Private company limited by shares | Live |
| ASSORTED TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ATELIER TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| BANGSHIDA TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| BEAUMONT TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Bestwell Technical Services Limited | | Live |
| BROADVIEW TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| AIR CALM TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Canadian Technical Services Limited | Private company limited by shares | Dissolved |
| CAYFORD TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| CDMorris Technical Services Limited | Private company limited by shares | Live |
| CHARTER TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| Hortus Technical Services (China) Limited | Private company limited by shares | Live |
| CHINA MARITIME TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| CHUNG WAH TECHNICAL SERVICES LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Apr-2002 |
| CLARK TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Clark Technical Services Limited | Private company limited by shares | Live |
| MAS Technical Services Co., Limited | Private company limited by shares | Live |
| Vab Standards Technical Services (CN) Co., Limited | Private company limited by shares | Live |
| Cocent Technical Services Co., Limited | Private company limited by shares | Live |
| Essential Technical Services Co., Limited | Private company limited by shares | Live |
| Miracle Technical Services (HongKong) Co., Limited | Private company limited by shares | Live |
| COGNITIO TECHNICAL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| CONSTRUCTION TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| GRANDE CONSTRUCTION & TECHNICAL SERVICES LIMITED -THE- | Private company limited by shares | Dissolved |
| SCHORSCH CONSTRUCTION CONSULTANCY & TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| FIRST ASIA CONSULTANCY AND TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ATHENA TECHNICAL SERVICES CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| T&T TECHNICAL SERVICES AND CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| COVERALL TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| C.S.I. STANDARDS TECHNICAL SERVICES CO., LIMITED | Private company limited by shares | Dissolved |
| DERKON TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| DEVON TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| DICKSON TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| D.MED TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| D.M.S. TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| TECHNICAL DOCUMENTATION SERVICES LIMITED | Private company limited by shares | Live |
| Impala Technical Documentation Services Limited | Private company limited by shares | Live |
| DONG HAI TECHNICAL SERVICES AND SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| Dragon Technical Services Limited | Private company limited by shares | Live |
| FAR EAST TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Far East Technical Services Limited | Private company limited by shares | Live |
| EASTERN TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| EUROPEAN EASTERN TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ELKHART ENGINEERING AND TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ELTON TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ETS ENERGY TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ACCRA ENGINEERING & TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ANDA ENGINEERING AND TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| CHINA TECHNICAL & ENGINEERING SERVICES LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Aug-2012 |
| KALAKAL ENGINEERING & TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| WING LEE ENGINEERING & TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| ESHER TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| E-STAR TECHNICAL AND SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| EXTENSIVE STANDARD TECHNICAL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| FENWICK TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| FREDDY'S TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| FUGRO TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| Lap Fung Technical Services Limited | Private company limited by shares | Live |
| GENNIE TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| GEOLAB TECHNICAL SERVICES LIMITED | | Live |