Amgen is a top competitor of Allergan. Amgen was founded in 1980, and is headquartered in Thousand Oaks, California. Like Allergan, Amgen also competes in the Pharmaceuticals field. Amgen generates $17.4B more revenue vs. Allergan.
Biogen is seen as one of Allergan's top competitors. Biogen is headquartered in Cambridge, Massachusetts, and was founded in 1978. Like Allergan, Biogen also operates in the Pharmaceuticals & Biotechnology field. Biogen generates 60% the revenue of Allergan.
Genentech has been one of Allergan's top competitors. Genentech's headquarters is in South San Francisco, California, and was founded in 1976. Like Allergan, Genentech also works within the Pharmaceuticals & Biotechnology industry. Genentech generates 165% of Allergan's revenue.