Pfizer Inc. It was founded in 1849 by cousins Charles Pfizer and Charles Erhart and initially started as a chemicals business. Over the years, Pfizer transformed into a leading pharmaceutical company and has become one of the largest in the world.

The company's headquarters, known as the Pfizer World Headquarters, is located in midtown Manhattan, occupying an entire city block. The building is recognized for its distinctive appearance, with its curved design and glass facade. Pfizer specializes in the research, development, manufacturing, and marketing of a wide range of prescription medicines, vaccines, and consumer healthcare products.

Its diverse portfolio includes products across various therapeutic areas such as cardiovascular, oncology, immunology, and rare diseases. Some of its well-known brands include Viagra, Lipitor, Celebrex, Prevnar, and Xeljanz. Operating on a global scale, Pfizer has a significant presence in more than 180 countries.

The company has several subsidiaries and joint ventures worldwide, including Pfizer Consumer Healthcare, Zoetis (animal health division), and Viatris (joint venture with Mylan). Pfizer has established itself as a market leader and holds a prominent market position in the pharmaceutical industry. In terms of global sales, the company consistently ranks among the top pharmaceutical companies worldwide.

It faces competition from other major players like Johnson & Johnson, Novartis, and Merck & Co. Throughout its history, Pfizer has witnessed several significant events and achievements. In 1998, the company launched Viagra, a breakthrough medication for erectile dysfunction, which became one of its most successful products.

In recent years, Pfizer has focused on strategic acquisitions, partnerships, and collaborations to expand its product portfolio and strengthen its presence in key therapeutic areas. As of the latest updates, Pfizer has garnered significant attention due to its involvement in developing a COVID-19 vaccine in partnership with BioNTech. In November 2020, the companies announced that their vaccine candidate had shown promising results in clinical trials.

This development has positioned Pfizer as a key player in the fight against the global pandemic. In conclusion, Pfizer Inc. With a wide range of products, a global presence, and notable achievements, Pfizer continues to be a leader in the pharmaceutical industry