ELAN

Elanco Animal Health Incorporated

A maker of medicines and products for pets and farm animals, Elanco sells familiar brands like the Seresto flea-and-tick collar, the Advantage parasite treatments, and feed additives that help livestock eat more efficiently. It was born inside the drug giant Eli Lilly, which set up its animal-health work in 1954 and coined the name "Elanco" in 1960, then spun it off into an independent company in 2019. Today it sells in more than 90 countries, and even makes Bovaer, a feed ingredient that helps cattle belch less methane.