| SANYU TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| S&G SATELLITE TECHNICAL SERVICE CO., LIMITED | Private company limited by shares | Live |
| KOWLOON TECHNICAL SCHOOL ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| UNIQUE SCIENCE AND TECHNICAL INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| MINIMAX SCIENCE & TECHNICAL CO., LIMITED | Private company limited by shares | Dissolved |
| Denpoo Seal & Driving Technical Co., Limited | Private company limited by shares | Live |
| MASTER SEARCH TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |
| Master Search Technical Service Limited | | Live |
| HAN PIN ANCIENT SECRET RECIPE SCIENTIFIC AND TECHNICAL LIMITED | Private company limited by shares | Live |
| Securitying Technical Limited | Private company limited by shares | Live |
| SENERGY TECHNICAL LIMITED | Private company limited by shares | Live |
| CE TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |
| BST Technical Service Limited | Private company limited by shares | Live |
| FC TECHNICAL SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CA OIL & GAS TECHNICAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| K & N TECHNICAL SERVICE CO. LIMITED | Private company limited by shares | Live |
| IMS TECHNICAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| Jet Win Technical Service Co Limited | Private company limited by shares | Live |
| Top AE Technical Service Company Limited | | Live |
| Amano Technical Service Limited | | Live |
| Brightness Technical Service Limited | Private company limited by shares | Live |
| I-ONE TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |
| KINGCHEM TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |
| RAY-KEY TECHNICAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| RELIANCE TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |
| STANDARD TECHNICAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| Waterful Technical Service Company Limited | Private company limited by shares | Live |
| TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| H. A. K. TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| YAT TAT TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| GTS TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| HIT TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| DNI TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| 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 |