| LAWRENCE LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| LINKOP CALIBRATION & TESTING LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| DRAGON LINUX LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| LowKey Laboratories Limited | Private company limited by shares | Live |
| Tethys Marine Laboratories Limited | Private company limited by shares | Live |
| MEDICSKIN LABORATORIES LIMITED | Private company limited by shares | Live |
| MILLENNIUM LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| MOREOEN LABORATORIES LIMITED | Private company limited by shares | Live |
| NATURABIO LABORATORIES LIMITED | Private company limited by shares | Live |
| NICE LABORATORIES LIMITED | Private company limited by shares | Live |
| OPTIMUM LABORATORIES LIMITED | Private company limited by shares | Live |
| OSCI LABORATORIES LIMITED | Private company limited by shares | Live |
| SPORTTLER PHARMA LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| GENERAL PLASTIC LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| PROWIN LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| QUALITY ASSURANCE LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| Reactifs Laboratories Limited | | Live |
| ADVANTEK SERUM LABORATORIES LIMITED | Private company limited by shares | Live |
| SRTG LABORATORIES LIMITED | Private company limited by shares | Live |
| STEMTECH LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| BIOHA LABORATORIES TECHNOLOGY LIMITED | Private company limited by shares | Live |
| U.S. SPIRAL CARE TECHNOLOGY LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| CMA TESTING & CERTIFICATION LABORATORIES LIMITED | Private company limited by shares | Live |
| NUTEK TESTING & CERTIFICATION LABORATORIES LIMITED | Private company limited by shares | Live |
| TIMELESS LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| SAINT TORRY LABORATORIES, LIMITED | Private company limited by shares | Dissolved |
| TVPHARM LABORATORIES LIMITED | Private company limited by shares | Live |
| UNICORN LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| UNICORN LABORATORIES LIMITED | Private company limited by shares | Live |
| Unicorn Laboratories Limited | Private company limited by shares | Live |
| UNIDENT LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| WALLACE LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| Zenit Laboratories Limited | Private company limited by shares | Live |
| QU LABORATORY LIMITED | Private company limited by shares | Dissolved |
| CT Laboratory Limited | Private company limited by shares | Live |
| HK LABORATORY LIMITED | Private company limited by shares | Dissolved |
| ACT LABORATORY LIMITED | Private company limited by shares | Dissolved |
| LABORATORY LIMITED -THE- | Private company limited by shares | Dissolved |
| CEL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Z LABORATORY LIMITED | Private company limited by shares | Live |
| YIP LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| CSG Laboratory Company Limited | Private company limited by shares | Dissolved |
| ST LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| CGS Laboratory Company Limited | Private company limited by shares | Live |
| GSA Laboratory Limited | Private company limited by shares | Live |
| IAQ LABORATORY LIMITED | Private company limited by shares | Live |
| DNA Laboratory Limited | Private company limited by shares | Live |
| ART LABORATORY LIMITED | Private company limited by shares | Live |
| TSK Laboratory, HK Limited | Private company limited by shares | Live |
| RF LABORATORY LIMITED | Private company limited by shares | Live |
| V&R Laboratory Limited | Private company limited by shares | Live |
| LSM Laboratory Limited | Private company limited by shares | Live |
| ALT LABORATORY LIMITED | Private company limited by shares | Live |
| JOE LAW LABORATORY LIMITED | Private company limited by shares | Live |
| Be Laboratory Limited | Private company limited by shares | Live |
| 463 Laboratory Limited | Private company limited by shares | Live |
| RK LABORATORY LIMITED | Private company limited by shares | Live |
| HIS ART LABORATORY LIMITED | Private company limited by shares | Live |
| QFR Laboratory Limited | | Live |
| TBD Laboratory LIMITED | | Live |
| ACCUHEALTH LABORATORY LIMITED | Private company limited by shares | Live |
| AUDIO SPACE ACOUSTIC LABORATORY LIMITED | Private company limited by shares | Live |
| A-DIAGNOSTIC LABORATORY LIMITED | Private company limited by shares | Live |
| ADVANCE MESSAGING LABORATORY LIMITED | Private company limited by shares | Dissolved |
| Alice Theatre Laboratory Limited | Company limited by guarantee | Live |
| AMBERLEY LABORATORY EQUIPMENT LIMITED | Private company limited by shares | Live |
| APPLEONE CALIBRATION LABORATORY LIMITED | Private company limited by shares | Live |
| Bay Area Laboratory Limited | Private company limited by shares | Live |
| VICTORY "ART" LABORATORY LIMITED | Private company limited by shares | Live |
| NOVAE ARTES LABORATORY LIMITED | Private company limited by shares | Dissolved |
| KTS LABORATORY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| METALS ASSURANCE LABORATORY (HK) LIMITED | Private company limited by shares | Dissolved |
| ASUN LABORATORY LIMITED | | Live |
| WOW AUDIO LABORATORY LIMITED | Private company limited by shares | Live |
| ANN DIGITAL AUDIO LABORATORY LIMITED | Private company limited by shares | Dissolved |
| C & C AUTHENTICATION LABORATORY LIMITED | Private company limited by shares | Dissolved |
| AVALON-CENTER LABORATORY LIMITED | Private company limited by shares | Dissolved |
| BEAUTY LABORATORY LIMITED | Private company limited by shares | Dissolved |
| BELLING TESTING LABORATORY (HK) CO., LIMITED | Private company limited by shares | Live |
| BERWICK MEDICAL LABORATORY LIMITED | Private company limited by shares | Dissolved |
| BETA LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| BICKLER YE LABORATORY LIMITED | Private company limited by shares | Live |
| BioFortune Laboratory Limited | Private company limited by shares | Live |
| BioMed Laboratory Company Limited | Private company limited by shares | Live |
| Laboratory for Advanced Biomedical Instrumentation Limited | Company limited by guarantee | Live |
| HONG KONG BIOTECH LABORATORY LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC BLOCKCHAIN LABORATORY HOLDING LIMITED | Private company limited by shares | Live |
| BODYGUARD LABORATORY LIMITED | Private company limited by shares | Dissolved |
| BODYGUARD LABORATORY LIMITED | Private company limited by shares | Live |
| B.R.C. LABORATORY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| BRIGHT GROWTH MEDICAL LABORATORY LIMITED | Private company limited by shares | Live |
| CAINOZOIC SKIN LABORATORY LIMITED | Private company limited by shares | Live |
| Cairns Solution Laboratory Limited | Private company limited by shares | Live |
| CANTOPOP LABORATORY LIMITED | Company limited by guarantee | Live |
| Captain Laboratory Limited | Private company limited by shares | Live |
| CELLUWARE RESEARCH LABORATORY LIMITED | Private company limited by shares | Live |
| VERTITECH CERTIFICATION & TESTING LABORATORY CO., LIMITED | Private company limited by shares | Live |
| MU CHARM LABORATORY LIMITED | Private company limited by shares | Live |
| CheeseLion Laboratory Limited | Private company limited by shares | Live |
| CHEMLAB LABORATORY INSTRUMENT (CHINA) CO., LIMITED | Private company limited by shares | Live |