| 1 | Caris Life Sciences, INC. | USA | Irving | 750 W John Carpenter Fwy Ste 800 | Dallas | 75039 | carislifesciences.***** | 2008 | $412,260,000,000 | 1,769 | N/A | N/A | 0803691720 |
| 2 | Labcorp Holdings INC. | USA | Burlington | 358 S Main St | Alamance | 27215 | labcorp.***** | 1971 | $13,008,900,000 | 70,000 | N/A | N/A | 2721624 |
| 3 | Dr Reddys Laboratories (PTY) LTD | South Africa | Vereeniging | Block B Ground Floor | Gauteng | N/A | N/A | 2002 | $12,555,422,516 | 12 | N/A | N/A | 200201416307 |
| 4 | Laboratory CORPORATION Of America Holdings | USA | Burlington | 358 S Main St | Alamance | 27215 | labcorp.***** | 1971 | $12,161,600,000 | 67,000 | N/A | N/A | 2384108 |
| 5 | Quest Diagnostics Incorporated | USA | Secaucus | 500 Plaza Dr Ste G | Hudson | 07094 | questdiagnostics.***** | 1967 | $9,872,000,000 | 56,000 | N/A | N/A | 2249088 |
| 6 | Ramsay Diagnostics (no 2) PTY LIMITED | Australia | Sydney | L 8 154 Pacific Hwy | New South Wales | 2065 | ramsayhealth.***** | 2008 | $5,270,640,000 | 60,000 | N/A | N/A | 133665433 |
| 7 | Ramsay Diagnostics (no 1) PTY LIMITED | Australia | Sydney | L 8 154 Pacific Hwy | New South Wales | 2065 | ramsayhealth.***** | 2008 | $5,270,640,000 | 60,000 | N/A | N/A | 133665424 |
| 8 | Brocacef Ziekenhuisfarmacie B.V. | Netherlands | Venray | De Amfoor 1 | Limburg | 5807 GW | brocacefziekenhuisfarmacie.***** | 2023 | $3,097,987,828 | 76 | N/A | N/A | 41062007 |
| 9 | Exact Sciences CORPORATION | USA | Madison | 5505 Endeavor Ln | Dane | 53719 | exactsciences.***** | 1995 | $2,758,867,000 | 7,000 | N/A | N/A | 2479901 |
| 10 | Pharmacare LTD | South Africa | Vereeniging | Bldg 12 Healthcare Park Woodlands Dr | Gauteng | 2080 | aspenpharma.***** | 1898 | $2,429,011,098 | 10,000 | N/A | N/A | 189800025206 |
| 11 | Radnet, INC. | USA | Los Angeles | 1510 Cotner Ave | Los Angeles | 90025 | radnet.***** | 1985 | $1,829,664,000 | 8,546 | N/A | N/A | 4528434 |
| 12 | Unilabs, Laboratoire D'analyses Medicales SA | Switzerland | Coppet | Chemin Des Perrières 2 | Vaud | 1296 | unilabs.***** | 1987 | $1,797,593,600 | 12,800 | N/A | N/A | CHE-107.745.308 |
| 13 | American Oncology Network, INC. | USA | Fort Myers | 14543 Global Pkwy Ste 110 | Lee | 33913 | aoncology.***** | 2017 | $1,759,484,000 | 1,914 | N/A | N/A | 4169790 |
| 14 | Natera, INC. | USA | Austin | 13011 Mccallen Pass Bldg A | Travis | 78753 | natera.***** | 2003 | $1,696,911,000 | 4,434 | N/A | N/A | 4292589 |
| 15 | Alfa Medical Group-Alfa Laboratories Egypt S.A.E | Egypt | Giza | From Iraq Street 3 el Boray Street ,shehab Axis Street, el Mohan | Giza | 12655 | N/A | 1998 | $1,482,550,000 | 5,000 | N/A | N/A | 24111 |
| 16 | Cytiva Belgium | Belgium | Hoegaarden | Reugelstraat 2 | Vlaams Brabant | 3320 | ge.***** | 2022 | $1,206,776,246 | 85 | N/A | N/A | BE0783590249 |
| 17 | Ichalkaranji Medical And Research Centre LIMITED | India | Kolhapur | 12 - 1 - A - 1 | Maharashtra | 416115 | N/A | 1999 | $1,188,951,106 | 20 | N/A | N/A | AABCI0271K |
| 18 | Netherlands Center For The Clinical Advancement Of Stem Cell & Gene Therapies B.V. | Netherlands | Leiden | Sylviusweg 62 | Zuid-holland | 2333 BE | necstgen.***** | 2019 | $1,073,880,339 | 30 | N/A | N/A | 76859134 |
| 19 | Aerospace MEDICAL&HEALTHCARE Technology Group CO., LTD. | China | Beijing | Room 302, 3rd Floor, No. 21 West Third Ring North Road, Haidian | Beijing | 100000 | N/A | 2018 | $998,181,369 | 68 | N/A | N/A | 110000026177134 |
| 20 | Guangzhou Kingmed Diagnostics Group CO.,LTD | China | Guangzhou | No. 10 Spiral Third Road, International Bio Island | Guangdong | 510000 | N/A | 2006 | $992,279,432 | 10,413 | N/A | N/A | 440101000165877 |
| 21 | Dynacare-Gamma Laboratory Partnership | Canada | Brampton | 115 Midair Crt | Ontario | L6T 5M3 | gamma-dynacare.***** | 1958 | $977,913,000 | 3,000 | N/A | N/A | N/A |
| 22 | Lumus Imaging (toowoomba) PTY LTD | Australia | Brisbane | 117 Fernberg Road | Queensland | 4064 | toowoombadi.***** | 2012 | $966,284,000 | 11,000 | N/A | N/A | 160083616 |
| 23 | Lumus Imaging (new South WALES/ACT) PTY LTD | Australia | Sydney | Level 22 161 Castlereagh Street | New South Wales | 2000 | N/A | 1997 | $966,284,000 | 11,000 | N/A | N/A | 080595937 |
| 24 | Lumus Imaging (victoria / Tasmania) PTY LTD | Australia | Sydney | Level 22 161 Castlereagh Street | New South Wales | 2000 | N/A | 1998 | $966,284,000 | 11,000 | N/A | N/A | 085350189 |
| 25 | Healius Pathology PTY LTD | Australia | Sydney | L 22 Liberty Pl 161 Castlereagh St | New South Wales | 2000 | qml.***** | 1989 | $966,284,000 | 11,000 | N/A | N/A | 007190043 |
| 26 | Idameneo (no.789) LTD | Australia | Sydney | L 22 161 Castlereagh St | New South Wales | 2000 | N/A | 1915 | $966,284,000 | 11,000 | N/A | N/A | 004073410 |
| 27 | Lumus Imaging (south Australia) PTY LTD | Australia | Sydney | L 6 203 Pacific Hwy | New South Wales | 2065 | lumusimaging.***** | 2009 | $966,284,000 | 11,000 | N/A | N/A | 136806776 |
| 28 | Lumus Imaging (granite Belt) PTY LTD | Australia | Stanthorpe | 27 Creek St | Queensland | 4380 | gbdi.***** | 2009 | $966,284,000 | 11,000 | N/A | N/A | 136651495 |
| 29 | Lumus Imaging (queensland) PTY LTD | Australia | Sydney | Level 22 | New South Wales | 2000 | qdi.***** | 1995 | $966,284,000 | 11,000 | N/A | N/A | 070000654 |
| 30 | Specialist Veterinary Services PTY LTD | Australia | Traralgon | Latrobe Regional Hospital Camp 1 Princes Street | Victoria | 3844 | N/A | 1988 | $966,284,000 | 11,000 | N/A | N/A | 006909173 |
| 31 | Former Sds PTY LTD | Australia | Sydney | Level 22 161 Castlereagh Street | New South Wales | 2000 | N/A | 1987 | $966,284,000 | 11,000 | N/A | N/A | 003417605 |
| 32 | Diagnosticos Da America S A | Brazil | Barueri | Av. Jurua 434 | São Paulo | 06455-010 | dasa.***** | 1966 | $949,171,654 | 50,333 | N/A | N/A | 61486650000183 |
| 33 | Al Borg Laboratories | Egypt | Giza | 55 el Fariq Abdel Moneam Riad Street, Mohandessin | Giza | N/A | N/A | 1990 | $889,530,000 | 3,000 | N/A | N/A | 86915 |
| 34 | Central Iowa Hospital CORPORATION | USA | Des Moines | 1200 Pleasant St | Polk | 50309 | unitypoint.***** | 2020 | $864,945,929 | 1,000 | N/A | N/A | N/A |
| 35 | Image Holdco PTY LTD | Australia | Sydney | Level 12 345 George Street | New South Wales | 2000 | i-med.***** | 2017 | $839,554,075 | 4,949 | N/A | N/A | 623028740 |
| 36 | Image Midco PTY LTD | Australia | Sydney | L 12 345 George St | New South Wales | 2000 | i-med.***** | 2017 | $839,554,075 | 4,948 | N/A | N/A | 623030991 |
| 37 | Olvg Laboratoria B.V. | Netherlands | Amsterdam | Oosterpark 9 | Noord-holland | 1091 AC | olvglab.***** | 2017 | $837,992,604 | 1,346 | N/A | N/A | 69812098 |
| 38 | SA Pathology | Australia | Adelaide | Lot 14 Frome Rd | South Australia | 5000 | sapathology.***** | 1938 | $781,376,928 | 2,658 | N/A | N/A | 35302506443 |
| 39 | Primary Children's Hospital | USA | Salt Lake City | 100 N Mario Capecchi Dr | Salt Lake | 84113 | intermountainhealthcare.***** | 2020 | $765,862,560 | 137 | N/A | N/A | N/A |
| 40 | Du Du Holdings LIMITED | Hongkong | Wan Chai District | 16/f Sing Ho Finance Bldg | Eastern District | N/A | N/A | 2002 | $748,454,418 | 20 | N/A | N/A | 32909414 |
| 41 | Al Mokhtabar Medical Laboratories | Egypt | Giza | 64 Gameat el Dowal el Arabeya Street, Mohandessin | Giza | N/A | N/A | 2004 | $741,275,000 | 2,500 | N/A | N/A | 11573 |
| 42 | Guardant Health, INC. | USA | Palo Alto | 3100 Hanover St | Santa Clara | 94304 | guardanthealth.***** | 2011 | $739,016,000 | 2,021 | N/A | N/A | 5077537 |
| 43 | Fleury S/A | Brazil | Sao Paulo | Av. Morumbi 8860 | São Paulo | 04703-003 | grupofleury.***** | 1966 | $727,236,222 | 13,602 | N/A | N/A | 60840055000131 |
| 44 | Starlet Diagnostisch Centrum B.V. | Netherlands | Alkmaar | Overkrocht 20 | Noord-holland | 1815 KX | starlet-dc.***** | 2016 | $696,325,660 | 134 | N/A | N/A | 50848542 |
| 45 | Quest Diagnostics Clinical Laboratories, INC. | USA | West Norriton | 400 Egypt Rd | Montgomery | 19403 | questdiagnostics.***** | 1999 | $538,545,357 | 10,500 | N/A | N/A | 0819066 |
| 46 | Result Beheer B.V. | Netherlands | Zevenbergen | Schansdijk 1 | Noord-brabant | 4761 RH | resultlaboratorium.***** | 2013 | $537,493,686 | 327 | N/A | N/A | 59349948 |
| 47 | Lifenet Health | USA | Virginia Beach | 1864 Concert Dr | Virginia Beach | 23453 | lifenethealth.***** | 1982 | $535,478,299 | 500 | N/A | N/A | 02356830 |
| 48 | Invitae CORPORATION | USA | San Francisco | 1400 16th St | San Francisco | 94103 | invitae.***** | 2024 | $516,303,000 | 1,700 | N/A | N/A | 4741049 |
| 49 | Salud Digna, A.C. | Mexico | Culiacán Rosales | Francisco Villa No. 113 sur | Sinaloa | 80000 | N/A | 2012 | $507,128,449 | 12,011 | N/A | N/A | SDI121109B14 |
| 50 | Laboratory Sciences Of Arizona L.L.C. | USA | Phoenix | 424 S 56th St Ste 100 | Maricopa | 85034 | sonoraquest.***** | 1996 | $495,372,422 | 1,760 | N/A | N/A | L07849864 |