| 1 | Anz Hospitals Topco PTY LTD | Australia | Melbourne | L 1 312 St Kilda Rd | Victoria | 3004 | N/A | 2019 | $1,802,529,193 | 17,422 | N/A | N/A | 631014965 |
| 2 | Independent Vetcare LIMITED | Unitedkingdom | Queen Charlton | The Chocolate Quarter | Bath and North East Somerset | BS31 2AU | independentvetcare.***** | 2002 | $1,562,775,965 | 14,711 | N/A | N/A | 07746795 |
| 3 | Reading Hospital Services INC | USA | Reading | 6th and Spruce St | Berks | 19612 | towerhealth.***** | 1984 | $1,263,841,038 | 1 | N/A | N/A | 0000795111 |
| 4 | Cvs Group PLC | Unitedkingdom | Diss | Cvs House | Norfolk | IP22 4ER | veterinary-hospital.***** | 2007 | $823,163,642 | 8,822 | N/A | N/A | 06312831 |
| 5 | Penzenskaya Gorsbbzh, Gbu | Russia | Penza | D. 8a Ul. Tolstogo | Penzenskaya Oblast' | 440008 | N/A | 2004 | $684,615,278 | 73 | N/A | N/A | 72879216 |
| 6 | Veterinarnaya Stantsiya Karatalskogo Raiona S Veterinarnymi Punktami Gosudarstvennogo Uchr | Kazakhstan | Ushtobe Qalalyq Akimshilik | Zdanie 1, Per. Musabaeva | Zhetysu Region | N/A | N/A | 2012 | $655,041,721 | 51 | N/A | N/A | 51515823 |
| 7 | Centaur Services LIMITED | Unitedkingdom | Castle Cary | Torbay Road | Somerset | BA7 7EU | mwiah.***** | 1964 | $605,981,267 | 482 | N/A | N/A | 00787385 |
| 8 | Veterinary Specialists Of North America LLC | USA | Tinton Falls | 106 Apple St Ste 102 | Monmouth | 07724 | compassionfirstpets.***** | 2014 | $595,035,790 | 3,600 | N/A | N/A | N/A |
| 9 | National Veterinary Associates, INC. | USA | Westlake Village | 1 Baxter Way | Los Angeles | 91362 | nvaonline.***** | 1997 | $595,035,790 | 1,900 | N/A | N/A | 2592688 |
| 10 | Cvs (UK) LIMITED | Unitedkingdom | Diss | C V S House | Norfolk | IP22 4ER | veterinary-hospital.***** | 1999 | $572,630,933 | 6,564 | N/A | N/A | 03777473 |
| 11 | Linnaeus Veterinary LIMITED | Unitedkingdom | Cheswick Green | Friars Gate | Solihull, West Midlands | B90 4BN | linnaeusgroup.***** | 2014 | $496,634,547 | 6,094 | N/A | N/A | 10790375 |
| 12 | B&S Gtc Customs B.V. | Netherlands | Dordrecht | Rijksstraatweg 7 | Zuid-holland | 3316 EE | bs-gg.***** | 2010 | $470,840,632 | 526 | N/A | N/A | 01180387 |
| 13 | B&S Gtc Transit B.V. | Netherlands | Dordrecht | Rijksstraatweg 7 | Zuid-holland | 3316 EE | bs-gg.***** | 2010 | $470,840,632 | 5 | N/A | N/A | 01180347 |
| 14 | Bluepearl Operations, LLC | USA | Tampa | 2950 Busch Lake Blvd | Hillsborough | 33614 | bluepearlvet.***** | 2015 | $464,392,424 | 3,000 | N/A | N/A | 593370516 |
| 15 | Medivet Group LIMITED | Unitedkingdom | Watford | Edward Hyde Building | Hertfordshire | WD17 1JW | medivet.***** | 1987 | $445,976,246 | 3,987 | N/A | N/A | 03481736 |
| 16 | Lingshi County Aixin Vet | China | Jinzhou | Shop, No. East 125, Changqing Road, Cuifeng Town, Lingshi County | Shanxi | 030600 | N/A | 2022 | $419,475,000 | 4 | N/A | N/A | 14072900A011087 |
| 17 | City Farmers Midl PTY LTD | Australia | Sydney | 'Quarter One' Level 2 1 Epping Road | New South Wales | 2113 | cityfarmers.***** | 2010 | $412,146,433 | 10 | N/A | N/A | 145112303 |
| 18 | Pathway Vet Alliance LLC | USA | Austin | 211 Walter Seaholm Dr Ste 200 | Travis | 78701 | pathwayvets.***** | 2016 | $407,506,255 | 4,280 | N/A | N/A | 6071701 |
| 19 | Nvc Operations Nsw PTY LTD | Australia | Sydney | 'Building A' Level 2 5 Talavera Road | New South Wales | 2113 | N/A | 2015 | $371,950,050 | 10 | N/A | N/A | 605428804 |
| 20 | Pelican Acquisition Company PTY LTD | Australia | Sydney | L 14 60 Margaret St | New South Wales | 2000 | N/A | 2010 | $369,606,196 | 355 | N/A | N/A | 146841027 |
| 21 | Provet PTY LTD | Australia | Brisbane | 48 Bell Are Ave | Queensland | 4013 | provet.***** | 1996 | $369,606,196 | 355 | N/A | N/A | 076468481 |
| 22 | Medvet Associates, LLC | USA | Worthington | 350 E Wilson Bridge Rd | Franklin | 43085 | medvetforpets.***** | 2009 | $354,736,000 | 3,000 | N/A | N/A | 1334646 |
| 23 | Petstock Vet (NO.2) PTY LTD | Australia | Ballarat | 1-3 Humffray St N | Victoria | 3350 | N/A | 2007 | $324,774,622 | 4,349 | N/A | N/A | 126436628 |
| 24 | Bulwark Health Cares (india) LIMITED | India | Ganjam | 6, Gandhi Nagar, Berhampur | Odisha | 760002 | N/A | 1998 | $265,210,937 | 10 | N/A | N/A | AACCB1936D |
| 25 | Vetpartners Practices LIMITED | Unitedkingdom | Nether Poppleton | Leeman House | York | YO26 4GB | vetpartners.***** | 2016 | $234,752,543 | 2,688 | N/A | N/A | 10084952 |
| 26 | Msd Animal Health UK LIMITED | Unitedkingdom | Walnut Tree | Walton Manor | Milton Keynes | MK7 7AJ | msd-animal-health.***** | 1969 | $231,699,802 | 502 | N/A | N/A | 00946942 |
| 27 | Animal Referral Hospital Melbourne PTY LTD | Australia | Melbourne | 72 Hargrave Ave | Victoria | 3041 | arhvets.***** | 2017 | $215,624,451 | 10 | N/A | N/A | 619205426 |
| 28 | Larrasa Animal Genetics S.L. | Spain | La Albuera | Poligono Industrial de la Albuera 17 | Badajoz | 06170 | N/A | 2016 | $190,416,986 | 2 | N/A | N/A | B06709638 |
| 29 | Vetpartners Noosa District Animal Hospital PTY LTD | Australia | Caloundra | 43 Rene Street | Queensland | 4566 | noosaanimalhospital.***** | 2023 | $175,201,498 | 10 | N/A | N/A | 670733025 |
| 30 | Rover Group, INC. | USA | Seattle | 720 Olive Way Fl 19 | King | 98101 | rover.***** | 2011 | $174,010,000 | 246 | N/A | N/A | 3699941 |
| 31 | Groupe Veterinaire Daubigny INC | Canada | Québec | 3405 Boul Wilfrid-hamel | Québec | G1P 2J3 | daubigny.***** | 2017 | $155,665,000 | 1,000 | N/A | N/A | N/A |
| 32 | Pluimvee Praktijk Lunteren B.V. | Netherlands | Ede | Postweg 146 | Gelderland | 6741 MN | pplbv.***** | 2022 | $145,027,023 | 5 | N/A | N/A | 55669980 |
| 33 | Vets Now Emergency LIMITED | Unitedkingdom | Halbeath | Penguin House | Fife | KY11 8SG | vets-now.***** | 2001 | $144,482,512 | 1,703 | N/A | N/A | SC218632 |
| 34 | Peoples Dispensary For Sick Animals | Unitedkingdom | Central Park | P D S A | Telford and Wrekin | TF2 9PQ | pdsa.***** | 1962 | $142,062,429 | 1,748 | N/A | N/A | 208217 |
| 35 | Medivet Partnership Llp | Unitedkingdom | Watford | Edward Hyde Building | Hertfordshire | WD17 1JW | medivet.***** | 2009 | $140,287,389 | 2,993 | N/A | N/A | OC344222 |
| 36 | Veterinary Southern Partners LLC | USA | Birmingham | 2204 Lakeshore Dr Ste 325 | Jefferson | 35209 | southernvetpartnersllc.***** | 2014 | $139,976,530 | 1,782 | N/A | N/A | 5592133 |
| 37 | Boehringer Ingelheim Animal Health Australia Holding PTY. LTD. | Australia | Sydney | Level 1 78 Waterloo Road | New South Wales | 2113 | boehringer-ingelheim.***** | 2017 | $135,154,688 | 90 | N/A | N/A | 623185311 |
| 38 | Idexx Laboratories LIMITED | Unitedkingdom | Wetherby | Grange House | Leeds, West Yorkshire | LS22 7DN | idexx.***** | 1989 | $131,130,492 | 388 | N/A | N/A | 02454226 |
| 39 | Vetlove Sinnamon Park PTY LTD | Australia | Brisbane | 62 Ashridge Road | Queensland | 4076 | sinnamonvetandpet.***** | 2025 | $129,420,764 | 10 | N/A | N/A | 684423774 |
| 40 | Evidensia Eläinlääkäripalvelut OY | Finland | Helsinki | Takomotie 1 | Uusimaa | 00380 | evidensia.***** | 2012 | $124,667,743 | 1,069 | N/A | N/A | 24941366 |
| 41 | Foshan Nanhai District Yichong Animal Clinic | China | Foshan | Shop No.07, Haishun / Lixuan, Haijing Garden, No.21, Guichenghai | Guangdong | 528000 | N/A | 2020 | $120,188,231 | 4 | N/A | N/A | 440682011726195 |
| 42 | Wyelsy Consulting PTY LTD | Australia | Adelaide | Shop 5 513 Bridge Road | South Australia | 5096 | parahillsclinic.***** | 2004 | $103,802,420 | 1,390 | N/A | N/A | 110261375 |
| 43 | Tarutynska Raionna Derzhavna Likarnya Veterynarnoi Medytsyny, Derzhustanova | Ukraine | Tarutyne | Bud. 217 Vul. Sadova | Odessa Oblast | 68500 | N/A | 2002 | $98,771,448 | 26 | N/A | N/A | 26364053 |
| 44 | Alphavet Állatgyógyaszati Zartköruen Muködö Reszvenytarsasag | Hungary | Budapest | Hofherr Albert Utca 42. | Budapest Megye | 1194 | alpha-vet.***** | 2024 | $98,022,349 | 390 | N/A | N/A | 32629266244 |
| 45 | The Animal Medical Center | USA | New York City | 510 E 62nd St | New York | 10065 | amcny.***** | 1910 | $91,900,260 | 300 | N/A | N/A | 99473 |
| 46 | Vanbet SRL | Romania | Sălcioara | Nr. 15 | Ialomiţa | N/A | vanbet.***** | 2001 | $91,533,195 | 772 | N/A | N/A | 13728104 |
| 47 | Vetpartners Vetcall Mermaid Waters PTY LTD | Australia | Surfers Paradise | 'Q Supercentre' Markeri Street | Queensland | 4218 | N/A | 2022 | $90,018,271 | 10 | N/A | N/A | 661378516 |
| 48 | Midwest Veterinary Partners, LLC | USA | Southfield | 20450 Civic Center Dr | Oakland | 48076 | missionvetpartners.***** | 2017 | $89,696,191 | 2,300 | N/A | N/A | N/A |
| 49 | Vetpartners Hawthorn Group Vet Clinics PTY LTD | Australia | Melbourne | 1 Victoria Road | Victoria | 3123 | hawthorneastvet.***** | 2021 | $89,444,061 | 10 | N/A | N/A | 651845126 |
| 50 | Battersea Dogs' And Cats' Home | Unitedkingdom | Upper Tooting | 4 Battersea Park Road | London | SW8 4AA | battersea.***** | 1997 | $89,168,752 | 653 | N/A | N/A | 00278802 |