The M&M's company is the biggest vet-care provider on Earth. Roughly 3,000 hospitals.

Mars is the candy giant: M&M's, Snickers, Skittles, plus pet food like Pedigree and Whiskas. It is also one of the largest private companies on Earth, family-owned, secretive, and pulling in roughly $55 billion a year. What almost nobody knows is its third act.

Mars · $55B splits into 3 flows: Pet care $31B (the focal flow), Candy $17B, Food & other $7B. Mars secretly owns ~3,000 vet hospitals (VCA, Banfield, BluePearl, AniCura). Pet care is now its biggest business, wider than the candy that made the name (analyst estimate).

Behind the candy aisle sits a wall of veterinary brands, all owned by Mars: VCA, Banfield, BluePearl, AniCura. Roughly 3,000 hospitals across the world. Mars bought VCA alone for $9.1 billion in 2017, then kept rolling more clinics under one private parent. The vet visit, the surgery, the boarding, the pet food on the way out: increasingly, the same company collects on every step.

By most estimates, pet care is now Mars's single largest business, more than half of that $55 billion. Bigger than the candy. Because Mars is private and discloses little, that split is an analyst estimate, not a filed number. But the direction is clear: the candy made the name, and the animals quietly made the empire.

The biggest business inside a company is often the one its name never mentions.