Pfizer, Inc. was founded in 1849 by Charles Pfizer and Charles Erhart in Brooklyn, New York. Its industry is pharmaceuticals and its headquarters has remained in New York City, New York.
- Parke, Davis & Company (2000)
- Warner-Lambert Pharmaceutical Company (2000)
- Wyeth Laboratories (2009)
Charles Pfizer & Company (1849-1970)
Pfizer, Inc. (1970-present)