Pfizer's presence in Michigan is among its largest anywhere in the world. The world's largest pharmaceutical company, Pfizer has its largest manufacturing presence in Portage and Kalamazoo, its global headquarters for Veterinary Medicine Research and Development and Animal Genetics in Downtown Kalamazoo and operates a world-class animal health research farm in Richland Township. This video highlights those facilities plus how Pfizer works with research institutions and health-care providers to advance medicine and to educate about existing treatments; and how the company helps uninsured Michigan patients to get the medicines they need.