Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines.

Bristol-Myers Squibb Company discovers, develops, licenses, manufactures, and markets biopharmaceutical products worldwide. It offers products for hematology, oncology, cardiovascular, immunology, fibrotic, neuroscience, and covid-19 diseases.

Amgen Inc. discovers, develops, manufactures, and delivers human therapeutics worldwide. It focuses on inflammation, oncology/hematology, bone health, cardiovascular disease, nephrology, and neuroscience areas.

Pfizer Inc. discovers, develops, manufactures, markets, distributes, and sells biopharmaceutical products worldwide. It offers medicines and vaccines in various therapeutic areas, including cardiovascular metabolic and women's health under the Premarin family and Eliquis brands; biologics, small molecules, immunotherapies, and biosimilars under the Ibrance, Xtandi, Sutent, Inlyta, Retacrit, Lorbrena, and Braftovi brands; and sterile injectable and anti-infective medicines, and oral COVID-19 treatment under the Sulperazon, Medrol, Zavicefta, Zithromax, Vfend, Panzyga, and Paxlovid brands.

AbbVie Inc. discovers, develops, manufactures, and sells pharmaceuticals in the worldwide. The company offers HUMIRA, a therapy administered as an injection for autoimmune and intestinal Behçet's diseases; SKYRIZI to treat moderate to severe plaque psoriasis in adults; RINVOQ, a JAK inhibitor for the treatment of moderate to severe active rheumatoid arthritis in adult patients; IMBRUVICA to treat adult patients with chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), and VENCLEXTA, a BCL-2 inhibitor used to treat adults with CLL or SLL; and MAVYRET to treat patients with chronic HCV genotype 1-6 infection.

Eli Lilly and Company discovers, develops, and markets human pharmaceuticals worldwide. It offers Basaglar, Humalog, Humalog Mix 75/25, Humalog U-100, Humalog U-200, Humalog Mix 50/50, insulin lispro, insulin lispro protamine, insulin lispro mix 75/25, Humulin, Humulin 70/30, Humulin N, Humulin R, and Humulin U-500 for diabetes; and Jardiance, Trajenta, and Trulicity for type 2 diabetes.

Gilead Sciences, Inc., a biopharmaceutical company, discovers, develops, and commercializes medicines in the areas of unmet medical need in the United States, Europe, and internationally.