Amgen

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform is growing as a major contributor to overall sales. The company also has a substantial vaccine business, with treatments to prevent pediatric diseases as well as human papillomavirus, or HPV. Additionally, Merck sells animal health-related drugs. From a geographical perspective, just under half of the company's sales are generated in the United States.

Takeda Pharmaceutical is Japan's largest pharmaceutical company, with revenue of JPY 4.3 trillion in fiscal 2023. The company's five core therapeutic areas are oncology, gastroenterology, neuroscience, rare diseases, and plasma-derived therapies, which account for more than 80% of revenue. Its geographic footprint is well diversified, with 50% derived from the US, 20% from Japan, 20% from Europe and Canada.

Eli Lilly is a drug firm with a focus on neuroscience, cardiometabolic, cancer, and immunology. Lilly's key products include Verzenio for cancer; Mounjaro, Zepbound, Jardiance, Trulicity, Humalog, and Humulin for cardiometabolic; and Taltz and Olumiant for immunology.