Wyeth Pharma

Wyeth, LLC was an American pharmaceutical company. The company was founded in Philadelphia, Pennsylvania, in 1860 as John Wyeth and Brother. It was later known as American Home Products before being renamed to Wyeth in 2002. Its headquarters moved to Collegeville, Pennsylvania, and Madison, New Jersey, before its headquarters were consolidated with Pfizer's in New York City after the 2009 merger. Most of Wyeth's pharmaceutical assets were acquired by Pfizer in 2009, while its infant and maternal nutrition business was acquired by Nestlé in 2012.