| 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 | 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 |
| 4 | 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 |
| 5 | Ul Solutions INC. | USA | Northbrook | 333 Pfingsten Rd | Adams | 60062 | ul.***** | 1894 | $2,870,000,000 | 14,813 | N/A | N/A | 4570442 |
| 6 | Exact Sciences CORPORATION | USA | Madison | 5505 Endeavor Ln | Dane | 53719 | exactsciences.***** | 1995 | $2,758,867,000 | 7,000 | N/A | N/A | 2479901 |
| 7 | Photo Holdings, LLC | USA | Redwood | 2800 Bridge Pkwy | Ventura | 94065 | shutterflyinc.***** | 2019 | $2,472,658,295 | 7,100 | N/A | N/A | 7457495 |
| 8 | Shutterfly, LLC | USA | San Jose | 10 Almaden Blvd Ste 900 | Santa Clara | 95113 | shutterflyinc.***** | 2019 | $2,370,613,487 | 7,094 | N/A | N/A | 3033915 |
| 9 | Radnet, INC. | USA | Los Angeles | 1510 Cotner Ave | Los Angeles | 90025 | radnet.***** | 1985 | $1,829,664,000 | 8,546 | N/A | N/A | 4528434 |
| 10 | 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 |
| 11 | Natera, INC. | USA | Austin | 13011 Mccallen Pass Bldg A | Travis | 78753 | natera.***** | 2003 | $1,696,911,000 | 4,434 | N/A | N/A | 4292589 |
| 12 | Pas Parent LLC | USA | Saint Paul | 2665 Long Lake Rd Ste 300 | Ramsey | 55113 | N/A | 2016 | $1,149,052,116 | 6,566 | N/A | N/A | 6118570 |
| 13 | Pace Analytical Services, LLC | USA | Roseville | 2665 Long Lake Rd Ste 300 | Ramsey | 55113 | pacelabs.***** | 1995 | $1,149,052,116 | 4,500 | N/A | N/A | 904110900053 |
| 14 | Sotera Health Company | USA | Broadview Heights | 9100 S Hills Blvd Ste 300 | Cuyahoga | 44147 | soterahealth.***** | 2015 | $1,100,441,000 | 3,000 | N/A | N/A | 5712398 |
| 15 | Getty Images Holdings, INC. | USA | Seattle | 605 5th Ave S Ste 400 | King | 98104 | gettyimages.***** | 2021 | $939,287,000 | 1,700 | N/A | N/A | N/A |
| 16 | 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 |
| 17 | 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 |
| 18 | Guardant Health, INC. | USA | Palo Alto | 3100 Hanover St | Santa Clara | 94304 | guardanthealth.***** | 2011 | $739,016,000 | 2,021 | N/A | N/A | 5077537 |
| 19 | Neogenomics, INC. | USA | Fort Myers | 9490 Neogenomics Way | Lee | 33912 | neogenomics.***** | 2001 | $660,566,000 | 2,200 | N/A | N/A | C25286-1998 |
| 20 | 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 |
| 21 | Lifenet Health | USA | Virginia Beach | 1864 Concert Dr | Virginia Beach | 23453 | lifenethealth.***** | 1982 | $535,478,299 | 500 | N/A | N/A | 02356830 |
| 22 | Invitae CORPORATION | USA | San Francisco | 1400 16th St | San Francisco | 94103 | invitae.***** | 2024 | $516,303,000 | 1,700 | N/A | N/A | 4741049 |
| 23 | Sgs U.S. Holding INC. | USA | Rutherford | 201 State Rt 17 | Bergen | 07070 | sgsgroup.***** | 2003 | $498,231,419 | 5,210 | N/A | N/A | 3671263 |
| 24 | Sgs North America INC. | USA | Bloomfield | 400 Broadacres Dr Ste 200 Fl 2 | Essex | 07003 | sgs.***** | 1980 | $498,231,419 | 5,156 | N/A | N/A | 0888911 |
| 25 | 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 |
| 26 | Bio-Reference Laboratories, INC. | USA | Elmwood Park | 481 Edward H Ross Dr | Bergen | 07407 | bioreference.***** | 2015 | $488,314,238 | 4,347 | N/A | N/A | 222405059 |
| 27 | Clinical Pathology Laboratories, INC. | USA | Austin | 9200 Wall St | Travis | 78754 | cpllabs.***** | 1990 | $484,292,597 | 1,500 | N/A | N/A | 0113784700 |
| 28 | Grifols Diagnostic Solutions INC. | USA | Los Angeles | 2410 Grifols Way | Los Angeles | 90032 | N/A | 2013 | $476,090,014 | 1,591 | N/A | N/A | 5414711 |
| 29 | Kbr Wyle Services, LLC | USA | Houston | 601 Jefferson St | Harris | 77002 | kbr.***** | 2016 | $474,197,850 | 9,333 | N/A | N/A | 2439143 |
| 30 | Testamerica Environmental Services, LLC | USA | North Canton | 4101 Shuffel St Nw | Stark | 44720 | testamericainc.***** | 2018 | $472,982,460 | 2,531 | N/A | N/A | 3600786 |
| 31 | Testamerica Holdings, INC. | USA | North Canton | 4101 Shuffel St Nw Ste 100 | Stark | 44720 | testamericainc.***** | 2006 | $470,401,578 | 2,531 | N/A | N/A | 4220321 |
| 32 | Alere INC. | USA | Waltham | 51 Sawyer Rd Ste 200 | Middlesex | 02453 | alere.***** | 2017 | $468,325,721 | 9,800 | N/A | N/A | 3391092 |
| 33 | Arup Laboratories, INC | USA | Salt Lake City | 500 S Chipeta Way | Salt Lake | 84108 | aruplab.***** | 1983 | $464,426,554 | 3,000 | N/A | N/A | 849426-0140 |
| 34 | Wcg Clinical Holdings INC | USA | Princeton | 212 Carnegie Ctr Ste 301 | Mercer | 08540 | wcgclinical.***** | 2012 | $463,441,000 | 4,400 | N/A | N/A | 7682670 |
| 35 | Intertek Group INC. | USA | Arlington Heights | 545 E Algonquin Rd Ste F | Cook | 60005 | intertek.***** | 2006 | $462,715,239 | 2,564 | N/A | N/A | 2112848 |
| 36 | James R. Glidewell, Dental Ceramics, INC. | USA | Newport Beach | 4141 Macarthur Blvd | Orange | 92660 | glidewelldental.***** | 1969 | $460,814,792 | 4,300 | N/A | N/A | N/A |
| 37 | National Technical Systems, LLC | USA | Anaheim | 1435 S Allec St | Orange | 92805 | nts.***** | 2022 | $455,822,008 | 1,207 | N/A | N/A | 1784693 |
| 38 | Eurofins Food Chemistry Testing Des Moines, INC | USA | Des Moines | 2200 Rittenhouse St Ste 150 | Polk | 50321 | eurofinsus.***** | 1999 | $455,602,352 | 175 | N/A | N/A | 0905754 |
| 39 | Eurofins Food Testing Us Holdings, INC. | USA | Des Moines | 2200 Rittenhouse St Ste 175 | Polk | 50321 | eurofinsus.***** | 2014 | $455,602,352 | 175 | N/A | N/A | N/A |
| 40 | Veracyte, INC. | USA | South San Francisco | 6000 Shoreline Ct Ste 300 | San Mateo | 94080 | veracyte.***** | 2006 | $445,764,000 | 824 | N/A | N/A | 20141174042 |
| 41 | Intertek Testing Services Na, INC. | USA | Cortland | 3933 Us Route 11 | Cortland | 13045 | intertek.***** | 1996 | $438,790,079 | 1,400 | N/A | N/A | 53703 |
| 42 | Eurofins Pharma Us Holdings Ii, INC. | USA | Des Moines | 2200 Rittenhouse St Ste 175 | Polk | 50321 | N/A | 2011 | $427,284,062 | 1,200 | N/A | N/A | 4939997 |
| 43 | Eresearchtechnology, INC. | USA | Philadelphia | 1818 Market St Ste 2600 | Philadelphia | 19103 | clario.***** | 2016 | $416,556,062 | 2,900 | N/A | N/A | 2350544 |
| 44 | The Oncology Institute INC | USA | Cerritos | 18000 Studebaker Rd Ste 800 | Los Angeles | 90703 | theoncologyinstitute.***** | 2019 | $393,412,000 | 825 | N/A | N/A | 7682314 |
| 45 | Bon Secours-Memorial Regional Medical Center, INC. | USA | Mechanicsville | 8260 Atlee Rd Ste 1203 | Louisa | 23116 | richmond.***** | 1998 | $389,509,957 | 1,975 | N/A | N/A | 04327086 |
| 46 | Eurofins Lancaster Laboratories, LLC | USA | Lancaster | 2425 New Holland Pike | Lancaster | 17601 | eurofinsus.***** | 2011 | $384,300,356 | 2,887 | N/A | N/A | 0000197409 |
| 47 | National Dentex Labs LLC | USA | Jupiter | 1701 Military Trl | Palm Beach | 33458 | nationaldentex.***** | 2020 | $339,710,131 | 1,754 | N/A | N/A | N/A |
| 48 | Caredx, INC. | USA | Brisbane | 8000 Marina Blvd Fl 4 | San Mateo | 94005 | caredxinc.***** | 1998 | $333,785,000 | 650 | N/A | N/A | 2982485 |
| 49 | Castle Biosciences, INC. | USA | Friendswood | 505 S Friendswood Dr Ste 401 | Galveston | 77546 | castlebiosciences.***** | 2007 | $332,069,000 | 761 | N/A | N/A | 4422065 |
| 50 | Fulgent Genetics, INC. | USA | El Monte | 4399 Santa Anita Ave | Los Angeles | 91731 | fulgentgenetics.***** | 2012 | $283,470,000 | 1,313 | N/A | N/A | 6000989 |
| 51 | Sonora Quest Laboratories LLC. | USA | Phoenix | 424 S 56th St | Maricopa | 85034 | sonoraquest.***** | 1997 | $264,552,381 | 1,200 | N/A | N/A | L08122748 |
| 52 | Sterigenics U.S., LLC | USA | Oak Brook | 2015 Spring Rd Ste 650 | Dupage | 60523 | sterigenics.***** | 1997 | $255,803,965 | 1,900 | N/A | N/A | 2754117 |
| 53 | Laboratory CORPORATION Of America | USA | Lakewood | 7444 W Alaska Dr Ste 250 | Jefferson | 80226 | N/A | 1997 | $250,188,450 | 10,953 | N/A | N/A | 840611484 |
| 54 | Laboratories Topco LLC | USA | New York City | 450 Lexington Ave Fl 32 | New York | 10017 | N/A | 2019 | $250,000,000 | 1,200 | N/A | N/A | 7574513 |
| 55 | Simonmed Imaging LLC | USA | Scottsdale | 16220 N Scottsdale Rd Ste 600 | Maricopa | 85254 | simonmed.***** | 2020 | $239,400,161 | 500 | N/A | N/A | L11000121773 |
| 56 | Fujifilm North America CORPORATION | USA | Valhalla | 200 Summit Lake Dr | Westchester | 10595 | fujifilm.***** | 1965 | $204,908,866 | 3,500 | N/A | N/A | 192130 |
| 57 | Alverno Provena Hospital Laboratories, INC. | USA | Hammond | 2434 Interstate Plaza Dr | Lake | 46324 | alvernolabs.***** | 2005 | $194,090,219 | 900 | N/A | N/A | 2005071800156 |
| 58 | Nsf International | USA | Ann Arbor | 789 N Dixboro Rd | Washtenaw | 48113 | nsf.***** | 1944 | $191,928,817 | 458 | N/A | N/A | 800792743 |
| 59 | A Professional Radiology CORPORATION | USA | Lake Charles | 711 Doctor Michael Debakey Dr | Calcasieu | 70601 | radiologyimagingcenters.***** | 1967 | $189,418,889 | 10 | N/A | N/A | N/A |
| 60 | Cdh-Delnor Health System | USA | Winfield | 25 N Winfield Rd | Dupage | 60190 | nm.***** | 1980 | $182,143,896 | 1,600 | N/A | N/A | 04776712 |
| 61 | Garfield Pathology Associates | USA | Cleveland | 12300 Mccracken Rd | Cuyahoga | 44125 | N/A | 2000 | $178,728,304 | 103 | N/A | N/A | N/A |
| 62 | Allosource | USA | Centennial | 6278 S Troy Cir | Arapahoe | 80111 | allosource.***** | 1994 | $172,749,079 | 160 | N/A | N/A | N00050037 |
| 63 | Trico Products CORPORATION | USA | Rochester | 3255 W Hamlin Rd | Oakland | 48309 | tricoproducts.***** | 1920 | $161,688,653 | 2,343 | N/A | N/A | 15149 |
| 64 | Bloodworks | USA | Seattle | 921 Terry Ave | King | 98104 | bloodworksnw.***** | 1977 | $154,247,401 | 750 | N/A | N/A | 601141555 |
| 65 | ST. Charles Hospital, Port Jefferson, New York | USA | Port Jefferson | 200 Belle Terre Rd | Suffolk | 11777 | chsli.***** | 1958 | $153,649,247 | 7 | N/A | N/A | N/A |
| 66 | Tuv Sud America INC. | USA | Wakefield | 401 Edgewater Pl Ste 500 | Middlesex | 01880 | tuvsud.***** | 2004 | $149,963,676 | 722 | N/A | N/A | 042951698 |
| 67 | Trident USA Health Services, LLC | USA | Sparks Glencoe | 930 Ridgebrook Rd Fl 3 | Baltimore County | 21152 | tridentcare.***** | 2013 | $126,679,489 | 1,001 | N/A | N/A | X001335915 |
| 68 | Compunet Clinical Laboratories, LLC | USA | Dayton | 2308 Sandridge Dr | Montgomery | 45439 | compunetlab.***** | 2017 | $125,546,479 | 720 | N/A | N/A | 1278908 |
| 69 | Ameripath, INC. | USA | Palm Beach Gardens | 7108 Fairway Dr Ste 335 | Palm Beach | 33418 | ameripath.***** | 1996 | $118,747,866 | 3,979 | N/A | N/A | 2585511 |
| 70 | Ameripath Holdings INC | USA | Palm Beach Gardens | 7108 Fairway Dr Ste 335 | Palm Beach | 33418 | ameripath.***** | 2007 | $118,747,866 | 4,300 | N/A | N/A | 3597696 |
| 71 | Unilab CORPORATION | USA | West Hills | 8401 Fallbrook Ave | Los Angeles | 91304 | questdiagnostics.***** | 2003 | $118,208,418 | 37,000 | N/A | N/A | 3504759 |
| 72 | Associated Pathologists, LLC | USA | Brentwood | 5301 Virginia Way Ste 300 | Montgomery | 37027 | pathgroup.***** | 2022 | $116,499,844 | 1,300 | N/A | N/A | 000605193 |
| 73 | Alliance Technical Group, LLC | USA | Decatur | 255 Grant St Se Ste 600 | Morgan | 35601 | stacktest.***** | 2009 | $113,989,510 | 779 | N/A | N/A | 000620788 |
| 74 | Mease Hospitals | USA | Dunedin | 601 Main St | Pinellas | 34698 | baycare.***** | 1994 | $112,770,938 | 125 | N/A | N/A | 593248448 |
| 75 | Labcorp Early Development Laboratories INC. | USA | Madison | 3301 Kinsman Blvd | Dane | 53704 | labcorp.***** | 1972 | $108,574,552 | 1,800 | N/A | N/A | N/A |
| 76 | Neogenomics Laboratories, INC. | USA | Fort Myers | 9490 Neogenomics Way | Lee | 33912 | neogenomics.***** | 2001 | $105,301,545 | 400 | N/A | N/A | 593725585 |
| 77 | Hyclone Laboratories, LLC | USA | Logan | 925 W 1800 S | Cache | 84321 | gehealthcare.***** | 1975 | $105,067,654 | 636 | N/A | N/A | 653830-0160 |
| 78 | Eurofins Eag Materials Science Us Holding, INC. | USA | San Diego | 4747 Executive Dr Ste 700 | San Diego | 92121 | N/A | 2018 | $102,608,594 | 1,200 | N/A | N/A | N/A |
| 79 | Emsl Analytical, INC. | USA | Cinnaminson | 200 Route 130 N | Burlington | 08077 | emsl.***** | 1981 | $101,961,864 | 1,077 | N/A | N/A | 222357101 |
| 80 | Q Squared Solutions LLC | USA | Durham | 2400 Ellis Rd | Durham | 27703 | q2labsolutions.***** | 2011 | $101,840,415 | 194 | N/A | N/A | 0295853 |
| 81 | Testamerica Laboratories, INC. | USA | Leola | 343 W Main St | Lancaster | 17540 | N/A | 2008 | $101,682,484 | 2,273 | N/A | N/A | 232919996 |
| 82 | Atlanticare Health System INC. | USA | Egg Harbor City | 6550 Delilah Rd Ste 301a | Atlantic | 08234 | lhcgroup.***** | 2020 | $101,200,230 | 5,000 | N/A | N/A | 0100567409 |
| 83 | Amspec, L.L.C. | USA | Cranbury | 1249 S River Rd Ste 204 | Middlesex | 08512 | amspecgroup.***** | 1997 | $99,933,600 | 808 | N/A | N/A | 0600274485 |
| 84 | Antech Diagnostics, INC. | USA | Fountain Valley | 17620 Mount Herrmann St | Orange | 92708 | antechdiagnostics.***** | 1994 | $99,547,325 | 652 | N/A | N/A | 5281391 |
| 85 | Aurora Diagnostics, LLC | USA | Dallas | 1355 River Bend Dr | Dallas | 75247 | N/A | 2019 | $99,516,948 | 923 | N/A | N/A | 4131081 |
| 86 | Bioclinica, INC. | USA | Philadelphia | 1818 Market St | Philadelphia | 19103 | clario.***** | 2021 | $99,343,342 | 1,611 | N/A | N/A | 2125758 |
| 87 | American Health S, LLC | USA | Davie | 15712 Sw 41st St Ste 11 | Broward | 33331 | americanhealthassociates.***** | 1995 | $99,229,537 | 1,102 | N/A | N/A | S05509 |
| 88 | Sentage CORPORATION | USA | Palm Beach Gardens | 4400 Pga Blvd Ste 700 | Palm Beach | 33410 | N/A | 2021 | $99,080,667 | 600 | N/A | N/A | 2199575 |
| 89 | The Institute For Cancer Research | USA | Philadelphia | 333 Cottman Ave | Philadelphia | 19111 | foxchase.***** | 1972 | $98,782,288 | 1 | N/A | N/A | 236296135 |
| 90 | Nobel Biocare USA, LLC | USA | Brea | 200 S Kraemer Blvd Unit E | Orange | 92821 | nobelbiocare.***** | 2014 | $98,653,013 | 500 | N/A | N/A | 2126659 |
| 91 | Mako Medical Laboratories LLC | USA | Raleigh | 8461 Garvey Dr | Wake | 27616 | makomedical.***** | 2014 | $96,043,997 | 163 | N/A | N/A | 1389818 |
| 92 | United Network For Organ Sharing | USA | Richmond | 700 N 4th St | Richmond City | 23219 | unos.***** | 1984 | $95,976,220 | 300 | N/A | N/A | 02539112 |
| 93 | Landauer, INC. | USA | Glenwood | 2 Science Rd | Cook | 60425 | landauer.***** | 2017 | $94,562,107 | 600 | N/A | N/A | 2144350 |
| 94 | District Photo, INC. | USA | Beltsville | 10501 Rhode Island Ave | Prince George'S | 20705 | districtphoto.***** | 1980 | $93,060,243 | 1,200 | N/A | N/A | 803754-DBU |
| 95 | Insight Health Services Holdings CORP. | USA | Lake Forest | 26250 Enterprise Ct Ste 100 | Placer | 92630 | mycdi.***** | 2010 | $92,963,595 | 1,490 | N/A | N/A | 3403020 |
| 96 | Als Group USA, CORP. | USA | Houston | 10450 Stancliff Rd Ste 210 | Harris | 77099 | alsglobal.***** | 1999 | $90,470,434 | 632 | N/A | N/A | 760606679 |
| 97 | Nts Technical Systems, LLC | USA | Fullerton | 1500 E Valencia Dr | Orange | 92831 | ntslogistics.***** | 1968 | $90,058,558 | 1,056 | N/A | N/A | 0539689 |
| 98 | New Schryver LLC | USA | Sparks Glencoe | 930 Ridgebrook Rd | Baltimore County | 21152 | N/A | 2016 | $89,524,098 | 837 | N/A | N/A | 19931040124 |
| 99 | Integrated Regional Laboratories | USA | Fort Lauderdale | 5361 Nw 33rd Ave | Broward | 33309 | irlfl.***** | 1996 | $88,752,859 | 800 | N/A | N/A | N/A |
| 100 | Indiana Versiti INC | USA | Indianapolis | 3450 N Meridian St | Marion | 46208 | indianablood.***** | 1952 | $87,010,628 | 415 | N/A | N/A | 192821A109 |