Breakthroughs are made possible by you! Find a Pfizer clinical trial and learn more about our commitment to clinical trial participants. Founded in 1849 in New York by German entrepreneurs Charles Pfizer and Charles F. Erhart, Pfizer is one of the oldest pharmaceutical companies in North America. Pfizer develops and produces medication and vaccines for immunology, oncology, cardiology, endocrinology, and neurology. Pfizer Inc. is one of the world’s largest research-based pharmaceutical and biomedical companies, known for developing, manufacturing, and marketing medications and vaccines for humans and animals. Pfizer | 7,117,737 followers on LinkedIn. We’re celebrating over 175 years of daring scientific innovation—and we’re not done yet. Let’s outdo yesterday. Starting with Charles Pfizer inventing an almond-flavored antiparasite medicine in 1849, our people have always been innovators and trailblazers, committed to finding the next cure. The Pfizer Patient Assistance Program is a joint program of Pfizer Inc. and the Pfizer Patient Assistance Foundation™. The Pfizer Patient Assistance Foundation is a separate legal entity from Pfizer Inc. with distinct legal restrictions. We’ve transformed growth and development at Pfizer to ensure that everyone can follow a path to their dream career, whether that’s climbing a traditional ladder or “zig-zagging” their way to a new role. Find the latest Pfizer Inc. (PFE) stock quote, history, news and other vital information to help you with your stock trading and investing. We’re committed to helping you afford your Pfizer prescriptions. From co-pay cards to self-pay savings and help navigating insurance approvals, we’ll guide you to the right support. And if you’re eligible for our programs, we’ll help you get the Pfizer medicines you need. Pfizer careers are like no other. In our culture of individual ownership, we believe in our ability to improve future healthcare, and potential to transform millions of lives.