| HEALTH-TECH MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| HERCULES MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| HERCULES MEDICAL DIAGNOSTIC & LABORATORY GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG HEEP WO MEDICAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| LAMY Medical Laboratory Limited | Private company limited by shares | Live |
| Medisun Medical Laboratory Limited | Private company limited by shares | Live |
| MedTec Medical Laboratory Centre Limited | Private company limited by shares | Live |
| MID-SOUTH MEDICAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| ON KIN (OK) MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| ONCO MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| ONWARD MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| PRECISION MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| SCIENMEDIC LABORATORY AND MEDICAL SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| LABORATORY OF MEDICAL TECHNOLOGY & NUTRITION LIMITED | Private company limited by shares | Dissolved |
| TechPro Medical Laboratory Limited | Private company limited by shares | Live |
| VICTORY MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| HK Yashineng Medical Testing Laboratory Limited | | Live |
| MDL MICRON DIAGNOSTIC LABORATORY LIMITED | Private company limited by shares | Live |
| M.I.INCUBATOR LABORATORY LIMITED | Private company limited by shares | Dissolved |
| MILLBORNE LABORATORY LIMITED | Private company limited by shares | Live |
| AKIND MOLECULAR LABORATORY LIMITED | Private company limited by shares | Live |
| ANGSANA MOLECULAR AND DIAGNOSTICS LABORATORY (HK) LIMITED | Private company limited by shares | Live |
| Asia Molecular Diagnostics Laboratory Limited | Private company limited by shares | Live |
| MOLECULAR INFORMATRIX LABORATORY LIMITED | Private company limited by shares | Live |
| KINGDA MOLECULAR LABORATORY LIMITED | Private company limited by shares | Live |
| MedTimes Molecular Laboratory Limited | Private company limited by shares | Live |
| NORTHERN LABORATORY LIMITED | Private company limited by shares | Live |
| NORTON MEDICAL LABORATORY CENTRE LIMITED | Private company limited by shares | Live |
| NovaGene Diagnostic Laboratory Limited | Private company limited by shares | Live |
| Nplex Laboratory Limited | Private company limited by shares | Dissolved |
| EHD － THE OFFICIAL AGS LABORATORY REPRESENTATIVE IN GREATER CHINA LIMITED | Private company limited by shares | Live |
| ASIA Offshore Investment Laboratory Limited | Private company limited by shares | Live |
| OPTICS LABORATORY (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITED ORGANICS LABORATORY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC ORTHOTIC LABORATORY LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS MEDICAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| PAMA LABORATORY LIMITED | Private company limited by shares | Dissolved |
| LABORATORY AUTO PARTS TRADING LIMITED | Private company limited by shares | Live |
| Pathogen Diagnostic Laboratory Limited | Private company limited by shares | Live |
| PATHOLOGY & CLINICAL LABORATORY (HK) PTE LIMITED | Private company limited by shares | Live |
| Pat Patisserie & Laboratory Limited | Private company limited by shares | Live |
| PAUL MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| Pegasus Laboratory (International) Limited | Private company limited by shares | Live |
| PHILIP DENTAL LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Strength Laboratory Physiotherapy Limited | Private company limited by shares | Live |
| PHYTO LABORATORY HK LIMITED | Private company limited by shares | Live |
| ORAL PLANNING LABORATORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PRESTIGE DNA LABORATORY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| China Product Laboratory Co., Limited | Private company limited by shares | Live |
| AD-TECH GRAPHICS PRODUCTION LABORATORY LIMITED | Private company limited by shares | Dissolved |
| KENDRO LABORATORY PRODUCTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| EAST ASIA PROFESSIONAL PHOTOFINISHING LABORATORY LIMITED | Private company limited by shares | Live |
| PROFESSIONAL INFORMATION LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Quality Assurance Laboratory Limited | Private company limited by shares | Live |
| RADIO LABORATORY LIMITED | Private company limited by shares | Live |
| MDL-UNITED ONE RADIOLOGY & LABORATORY LIMITED | Private company limited by shares | Live |
| RAPPORT LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| Rescence Laboratory Limited | | Live |
| JBM Research Laboratory Limited | Private company limited by shares | Live |
| GROUND RESEARCH LABORATORY LIMITED | Private company limited by shares | Live |
| Jacobson Research Laboratory Limited | Private company limited by shares | Live |
| SENSE RESEARCH LABORATORY LIMITED | Private company limited by shares | Live |
| SALON COLOUR LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Santow Laboratory Limited | Private company limited by shares | Dissolved |
| SATELTECH LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Advanced Security Technology and Research Laboratory Company Limited | Private company limited by shares | Live |
| SHENZEN ELECTRIC HV LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Shinpu Laboratory Company Limited | Private company limited by shares | Live |
| Side Gig Laboratory Limited | Private company limited by shares | Live |
| Sincere Dental Laboratory Company Limited | Private company limited by shares | Dissolved |
| Sino Innovation Laboratory Limited | Private company limited by shares | Live |
| Sino Innovation Laboratory US Limited | | Live |
| Skyline Medical Laboratory Limited | Private company limited by shares | Live |
| Smiling Digital Dental Laboratory Limited | | Live |
| SMILING STAR DENTAL LABORATORY CO LIMITED | Private company limited by shares | Live |
| SOIL & CONCRETE LABORATORY LIMITED | Private company limited by shares | Dissolved |
| STAR LABORATORY LIMITED | Private company limited by shares | Dissolved |
| RELICTUM STARTUP LABORATORY LIMITED | Private company limited by shares | Live |
| HONG KONG JADE & STONE LABORATORY LIMITED | Private company limited by shares | Live |
| Strength Laboratory Limited | Private company limited by shares | Live |
| STRING ART LABORATORY LIMITED | Private company limited by shares | Live |
| Suhada Laboratory Co. Limited | Private company limited by shares | Live |
| SUNNET LABORATORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SST SURFACE-STRENGTHENING-TECHNOLOGY LABORATORY (HK) LIMITED | Private company limited by shares | Live |
| SWASH LABORATORY LIMITED | Private company limited by shares | Live |
| 3D Synthesis Laboratory Limited | Private company limited by shares | Live |
| INET SYSTEM LABORATORY LIMITED | Private company limited by shares | Dissolved |
| MONADIC SYSTEM RESEARCH LABORATORY LIMITED | Private company limited by shares | Dissolved |
| LABORATORY SYSTEMS CONSULTANTS LIMITED | Private company limited by shares | Live |
| Lab-Plus Laboratory Systems Limited | Private company limited by shares | Dissolved |
| Income Team Laboratory Limited | Private company limited by shares | Live |
| Laboratory for AI-Powered Financial Technologies Limited | Company limited by guarantee | Live |
| MTI TECHNOLOGY LABORATORY LIMITED | Private company limited by shares | Dissolved |
| DISK FW LABORATORY ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WISDOM TECHNOLOGY NETWORK LABORATORY LIMITED | Private company limited by shares | Dissolved |
| WINCAS TECHNOLOGY LABORATORY LIMITED | Private company limited by shares | Dissolved |
| HKIB TECHPOOL RESEARCH LABORATORY LIMITED | Private company limited by shares | Dissolved |
| TECHRAY LABORATORY INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| WARTTYER TELELIFE LABORATORY LIMITED | Private company limited by shares | Dissolved |
| ASIA TESTING LABORATORY LIMITED | Private company limited by shares | Live |