Top 20 Pharma Companies In World 2025. More than any other industry, the pharmaceutical sector is highly dependent on research and development, with companies investing around 20 percent or more of their sales. As the pharma industry enters a new decade, the world's largest drug companies are busy launching new meds, restructuring to focus on innovative offerings and eyeing new technologies.

Only the top publicly traded pharma companies are shown in this list. A pharmaceutical company is a company that is.