Tony Wang8 min readThe Company That Makes M&M's Is America's Largest Veterinary Chain
A candy company and a coffee conglomerate own the two largest US veterinary chains. We mapped 37,009 listings to measure it three ways.
Most of the hidden-ownership findings in this series have been private-equity firms most people have never heard of. This one is different: the largest owner of American veterinary care is a household name — it just isn't a name anyone associates with veterinary care.
Mars: candy, pet food, and your vet
Mars Incorporated is privately held by the Mars family and best known for confectionery. It is also, through Mars Veterinary Health, the largest single owner of veterinary practices in the United States and globally. The structure came together through two big moves: acquiring BluePearl in 2015, then paying roughly $9 billion in 2017 to take VCA private — which brought in around 800 hospitals and the Antech diagnostics business.
| Brand | Dataset listings | What it does |
|---|---|---|
| Banfield Pet Hospital | 1,083 | General practice, many inside PetSmart stores |
| VCA Animal Hospitals | 715 | General and specialty practice |
| BluePearl | 85 | Specialty and emergency hospitals |
| Antech Diagnostics | — | Diagnostics labs and imaging, not a clinic brand |
Three methods, one answer
This is the part worth dwelling on. Across 26 posts, this series has repeatedly had to caveat a single measurement. Here, three genuinely independent approaches converge:
| Method | Result | What it rests on |
|---|---|---|
| Direct brand queries | 5.1% | 1,883 listings across Banfield + VCA + BluePearl, out of 37,009 |
| Domain classification | 6.5% | 13 of 200 sampled listings link to a Mars-owned domain |
| Company-reported | 6.8% | Mars' own ~2,500 US clinics against the same 37,009 total |
The ordering makes sense on inspection. Direct queries are the floor — they only find listings actually named Banfield, VCA, or BluePearl. Domain classification catches a few more, because some practices kept a local name but point at a corporate site. And Mars' own count is the ceiling, including clinics this dataset can't attribute at all.
The second-largest owner sells you coffee and donuts
National Veterinary Associates supports more than 1,500 companion-animal practices, equine hospitals, and pet resorts worldwide, with most of its footprint in North America. Its owner is JAB Holding Company — the Luxembourg-based investment vehicle of Germany's Reimann family, whose consumer portfolio includes Panera Bread, Krispy Kreme, Peet's Coffee, and Pret A Manger.
So the two largest owners of American veterinary care are, respectively, a confectionery company and a coffee-and-bakery conglomerate. Neither connection is visible to a pet owner standing at a reception desk. Industry reporting puts corporate consolidators collectively at roughly 30% of US practices — a level between this series' findings for pawn shops (fragmented) and dollar stores (near-total).
Density: a rural pattern, not an urban one
Show the per-capita veterinary density ranking
| Rank | State | Listings | Per 1M residents |
|---|---|---|---|
| 1 | Montana | 334 | 293.7 |
| 2 | Vermont | 175 | 269.9 |
| 3 | Maine | 329 | 234.2 |
| 4 | South Dakota | 214 | 231.4 |
| 5 | Kansas | 644 | 216.8 |
| 6 | Colorado | 1,289 | 216.4 |
| 7 | New Hampshire | 298 | 211.5 |
| 8 | Iowa | 677 | 208.9 |
| 9 | Wisconsin | 1,112 | 186.5 |
| 10 | Nebraska | 371 | 185.0 |
| 44 | Texas | 3,392 | 108.4 |
| 45 | New York | 2,128 | 107.1 |
| 46 | California | 3,925 | 99.5 |
| 47 | Arizona | 709 | 93.5 |
| 48 | Nevada | 263 | 80.5 |
| 49 | Utah | 266 | 75.9 |
| 50 | Hawaii | 87 | 60.2 |
The leaders — Montana, Vermont, Maine, South Dakota, Kansas, Iowa, Nebraska — are agricultural and rural states, where large-animal and mixed practice adds a whole category of veterinary work that doesn't exist in dense metros. That's a different driver from the childcare density pattern (dual-income households) or the dollar-store pattern (retail deserts), and a useful reminder that "per capita" means something different when a meaningful share of the clientele isn't human company at all.
How we did this, and the caveats
| What | Detail |
|---|---|
| Category totals | datasets_google_map_facets on category=veterinarian, country=United States — 37,009 in direct category search, 46,020 summed across the 50-state facet |
| Brand counts | Direct q= search per brand within category=veterinarian, each checked against a bare-word query before use |
| Domain sample | 200 records, has_website=true, sort=updated_at_desc, classified by website domain |
| Ownership + clinic counts | Mars Veterinary Health and NVA public reporting; JAB Holding portfolio disclosures; industry consolidation estimates |
| Per-capita rankings | State facet counts divided by US Census Bureau Vintage 2024 state population estimates |
Caveats worth stating plainly: the 37,009 and 46,020 totals differ because the state facet counts listings that carry multiple categories; percentages here use the 37,009 direct-category figure consistently. q="Thrive Pet Healthcare" (4,468) is excluded entirely as ~99% contamination from the word "Pet" (4,435 on its own); Thrive's real footprint is roughly 400 hospitals and is not measured here. NVA's 1,500+ figure is worldwide, not US-only, and is not directly comparable to Mars' ~2,500 US clinics — we report both as sourced rather than differencing them. The ~30% corporate-consolidation estimate is externally sourced and not independently verified against this dataset. And as with every study on this dataset: it's live-growing, so a re-pull months from now may show different totals.
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Frequently asked questions
Who owns the most veterinary clinics in the United States?
Mars Incorporated — the privately held family company behind M&M's, Snickers, and Pedigree — through Mars Veterinary Health, which owns Banfield Pet Hospital, VCA Animal Hospitals, BluePearl, and Antech Diagnostics. That's roughly 2,500 US clinics, making it the largest single owner of veterinary practices in the country.
Who owns National Veterinary Associates (NVA)?
JAB Holding Company, the Luxembourg-based investment vehicle of Germany's Reimann family, which also owns Panera Bread, Krispy Kreme, Peet's Coffee, and Pret A Manger. NVA supports more than 1,500 companion-animal practices, equine hospitals, and pet resorts worldwide, making it the second-largest veterinary owner.
How much of US veterinary care is corporate-owned?
Industry reporting puts corporate consolidators — Mars Veterinary Health, NVA, Thrive Pet Healthcare, and others — at roughly 30% of US practices. In this dataset, Mars alone measures at 5.1% to 6.8% of the 37,009-listing veterinarian category depending on the method used.
How reliable is measuring chain ownership from Google Maps listings?
It depends entirely on whether the acquirer keeps its brands visible. For Mars, three independent methods agreed within 1.7 percentage points: direct brand queries (5.1%), website-domain classification of a 200-record sample (6.5%), and Mars' own reported clinic count (6.8%). By contrast, HVAC and plumbing private-equity roll-ups were nearly undetectable, because those acquirers keep each acquired company's original name and website.
Which states have the most veterinarians per capita?
Montana leads at 293.7 listings per 1 million residents, followed by Vermont (269.9), Maine (234.2), South Dakota (231.4), and Kansas (216.8). Hawaii (60.2), Utah (75.9), and Nevada (80.5) trail. The leaders are agricultural and rural states where large-animal and mixed practice adds veterinary work that doesn't exist in dense metros.