Huge company headquartered in Madison, NJ. Includes the subsidiaries of Wyeth pharmaceuticals, Whitehall-Robins (the makers of Robitussin, Advil and Centrum,) an animal health division, a scientific proteins business, and a biotech firm. Nearly merged with Monsanto a few years back. Bought American Cyanamid a few years before that, recently selling off the agricultural products business to BASF. Also currently owns Solgar vitamins, which are often sold in health food stores unlike most other AHP products.

The AHP headquarters is visible from parts of Drew University.

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