NAICS 541940:
Veterinary Services

This industry comprises establishments of licensed veterinary practitioners primarily engaged in the practice of veterinary medicine, dentistry, or surgery for animals; and establishments primarily engaged in providing testing services for licensed veterinary practitioners.

Animal hospitalsVeterinary clinicsVeterinarians' offices+1 example

Veterinary testing laboratories

Also called: veterinarian, animal hospital

Matching SIC code: 0741 Veterinary Services for Livestock (also 0742 Veterinary Services for Animal Specialties, 8734 Testing Laboratories)

Where it sits

54Professional, Scientific, and Technical ServicesSector
541Professional, Scientific, and Technical ServicesSubsector
5419Other Professional, Scientific, and Technical ServicesIndustry group
54194Veterinary ServicesNAICS industry
541940Veterinary ServicesNational industry

Largest companies with NAICS 541940

Updated Nov 9, 2026

Rank	Company	Headquarters	Employees
1	Banfield Pet Hospitalbanfield.com	Vancouver, US	11K
2	VCA Animal Hospitalsvcahospitals.com	Los Angeles, US	11K
3	VEG ER for Petsveg.com	White Plains, US	3.9K
4	National Veterinary Associates (NVA)nva.com	Austin, US	3.7K
5	BluePearl Pet Hospitalbluepearlvet.com	Tampa, US	3.4K
6	Mars Veterinary Healthmarsveterinary.com	Vancouver, US	3K
7	Thrive Pet Healthcarethrivepetcare.com	Austin, US	2.3K
8	Antech Diagnosticsantechdiagnostics.com	Fountain Valley, US	2.1K
9	MedVetmedvet.com	Columbus, US	2.1K
10	Mission Pet Healthmissionpethealth.com	Birmingham, US	1.8K

Not this code?

Similar activities the Census classifies elsewhere.

54171Research and Development in the Physical, Engineering, and Life SciencesProviding veterinary research and development services
812910Pet Care (except Veterinary) ServicesProviding nonveterinary pet care services, such as boarding or grooming pets
115210Support Activities for Animal ProductionProviding animal breeding services or boarding horses
485991Special Needs TransportationTransporting pets

Questions about NAICS 541940

What is the NAICS code for veterinarian?

NAICS 541940, Veterinary Services. This industry comprises establishments of licensed veterinary practitioners primarily engaged in the practice of veterinary medicine, dentistry, or surgery for animals; and establishments primarily engaged in providing testing services for licensed veterinary practitioners.

Which businesses use NAICS 541940?

Animal hospitals, veterinary clinics and veterinarians' offices, and similar businesses in the Professional, Scientific, and Technical Services sector.

What SIC code matches NAICS 541940?

SIC 0741, Veterinary Services for Livestock; SIC 0742, Veterinary Services for Animal Specialties; SIC 8734, Testing Laboratories, from the US Census Bureau's concordance between the two systems.

How many companies have NAICS 541940?

23,089 companies with a website carry NAICS 541940 as their primary code in Crustdata's data, worldwide.

Find any company's NAICS codeType a company name or website and get its codes with their titles.

Look up a company

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Code titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.