| CHEUK YUET LABORATORY LIMITED | Private company limited by shares | Dissolved |
| CLD LABORATORY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHINA LABORATORY LIMITED | Private company limited by shares | Live |
| Chinese Laboratory Fedration Limited | Private company limited by shares | Live |
| Chocolate Laboratory Limited | | Live |
| TOKYO CATHODE LABORATORY (H.K.) CO., LIMITED | Private company limited by shares | Live |
| GALAXY LABORATORY STOCK CO., LIMITED | Private company limited by shares | Dissolved |
| LABORATORY SPECIALIST CO., LIMITED | Private company limited by shares | Live |
| STANFORD LABORATORY CO., LIMITED | Private company limited by shares | Live |
| XIANGYUN LABORATORY EQUIPMENT CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Jan-2012 |
| DR. COACH LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| COMPLEX LABORATORY LIMITED | Private company limited by shares | Live |
| Bay Area Compliance Laboratory Corp. Limited | Private company limited by shares | Dissolved |
| Bey Area Compliance Laboratory Corp Limited | Private company limited by shares | Live |
| HK LCS Compliance Testing Laboratory Limited | Private company limited by shares | Live |
| COMPUTER SYSTEM LABORATORY HONGKONG LIMITED | Private company limited by shares | Dissolved |
| The Art Laboratory Concept Limited | | Live |
| Green Concept Laboratory Limited | Private company limited by shares | Live |
| HANLUN CONSTRUCTION MATERIALS TESTING LABORATORY LIMITED | | Live |
| SMART CONSTRUCTION LABORATORY LIMITED | | Live |
| VANNY CONTRACTED RESEARCH LABORATORY LIMITED | Private company limited by shares | Live |
| COOP COMPUTER GRAPHICS LABORATORY LIMITED | Private company limited by shares | Dissolved |
| CORETECH LABORATORY CO. LIMITED | Private company limited by shares | Live |
| Create Laboratory Limited | Private company limited by shares | Dissolved |
| C-TECH LABORATORY EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| CVLAB CARDIOVASCULAR LABORATORY LIMITED | Private company limited by shares | Live |
| ONCO CYTOLOGY LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Datian Laboratory Limited | | Live |
| I - DENT LABORATORY LIMITED | Private company limited by shares | Dissolved |
| ABC DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| DENTAL ART LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| LEO DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| HKT DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| CDL DENTAL LABORATORY HK LIMITED | Private company limited by shares | Live |
| ALLIED DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Artisan Digital Dental Laboratory Limited | Private company limited by shares | Live |
| BAUHINIA DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA CERAMIC DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| REALTY CERAMIC DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| HAN HUA DENTAL LABORATORY CO., LIMITED | Private company limited by shares | Dissolved |
| LJ Dental Laboratory Co., Limited | Private company limited by shares | Live |
| LEE'S DENTAL LABORATORY CO., LIMITED | Private company limited by shares | Dissolved |
| NORWED DENTAL LABORATORY (HK) CO., LIMITED | Private company limited by shares | Live |
| Palmary Dental Implant Laboratory Co., Limited | Private company limited by shares | Live |
| SHENZHEN PIN DENTAL LABORATORY CO., LIMITED | Private company limited by shares | Live |
| Dentz Digital Dental Laboratory Limited | Private company limited by shares | Live |
| Long Keep Digital Dental Laboratory Limited | Private company limited by shares | Live |
| FAR EAST DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| EASY FIT DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| FOCUS DENTAL LABORATORY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL STANDARD DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| GOOD YEAR DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOODWILL DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| High-end Dental Laboratory (HK) Limited | Private company limited by shares | Live |
| 28 Dental Laboratory (HK) Limited | Private company limited by shares | Live |
| HO'S DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Humble Dental Laboratory and Workshop Limited | Private company limited by shares | Live |
| Knommas Dental Laboratory Limited | Private company limited by shares | Live |
| Lode Dental Laboratory (HK) Limited | | Live |
| NEW METAL DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| MODERN DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| Natural dental laboratory Co., Limited | Private company limited by shares | Live |
| OCEAN DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| POLY DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| PROMAX DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| Ray's Dental Laboratory Limited | Private company limited by shares | Live |
| Royal Dental Laboratory Limited | Private company limited by shares | Live |
| SAN'S DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| STAR DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| SUNRISE DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| SUPER DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| FIRST PRECISION DENTAL LABORATORY AND SUPPLY COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TECHNOLOGY DENTAL LABORATORY LIMITED | Private company limited by shares | Live |
| NEW TECHNOLOGY DENTAL LABORATORY Co., LIMITED | Private company limited by shares | Live |
| TOPCROWNS DENTAL LABORATORY CO., LIMITED | Private company limited by shares | Live |
| Ultimate Dental Laboratory Limited | | Live |
| SAN'S UNITED DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Upgrade Dental Laboratory (HK) Co., Limited | | Live |
| VICTORIA DENTAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| WELL DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| WELL DENTAL LABORATORY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| ZENITH DENTAL LABORATORY LIMITED | | Live |
| Laboratory for Artificial Intelligence in Design Limited | Company limited by guarantee | Live |
| Inspiratie Design Laboratory Limited | Private company limited by shares | Live |
| On Your Mark Design Laboratory Limited | Private company limited by shares | Live |
| PRENATAL DIAGNOSTIC LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Creative Technology gene diagnostice laboratory Limited | Private company limited by shares | Live |
| HK.DNA DIAGNOSTICS CENTRE LABORATORY LIMITED | Private company limited by shares | Live |
| HK.DNA Diagnostics Laboratory Limited | | Live |
| DIAMOND GRADING LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Diem Laboratory Limited | | Live |
| Drip Birds Laboratory Limited | | Live |
| DUCHEM LABORATORY TOPS AND ACCESSORIES LIMITED | Private company limited by shares | Live |
| DUSTIN'S LABORATORY LIMITED | Private company limited by shares | Live |
| EAST ASIA LABORATORY SUPPLIES LIMITED | Private company limited by shares | Live |
| EMISSION LABORATORY (H. K.) LIMITED | Private company limited by shares | Dissolved |
| EMPIRE VIDEO AND FILM LABORATORY LIMITED | Private company limited by shares | Dissolved |
| SUN TAC LABORATORY FURNITURE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ENVIRO-CHEM ENGINEERING AND LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| GAMMA LABORATORY (ENGINEERING) LIMITED | Private company limited by shares | Live |