Bristol-Myers Squibb is engaged in the discovery, development, licensing, manufacturing, marketing, distribution and sale of biopharmaceutical products. The company's products are sold worldwide, primarily to wholesalers, specialty distributors, retail pharmacies, hospitals, government entities and the medical profession. The company manufactures products in the United States and Puerto Rico and has manufacturing operations in two foreign countries. The company has products in the following therapeutic classes: hematology, oncology, cardiovascular and immunology. The company's pharmaceutical products include chemically-synthesized or small molecule drugs and products produced from biological processes, called biologics.

Eli Lilly and Company discovers, develops, manufactures, and markets products in a single business segment: human pharmaceutical products. The company's human pharmaceutical products include: diabetes and other endocrinology products, immunology products, neuroscience products, oncology products, and other products. The company's diabetes and other endocrinology products include: Baqsimi? and Basaglar?. The company's immunology products include: Olumiant? and Taltz?. The company's neuroscience products include: Cymbalta? and Emgality?. The company's oncology products include: Alimta?, Cyramza?, Erbitux? and Verzenio?. The company's other products include: Cialis?.

Pfizer is a research-based biopharmaceutical company. The company is engaged in discovering, developing, manufacturing and distributing of healthcare products, including medicines and vaccines. The company manages its commercial operations through three businesses: Pfizer Biopharmaceuticals Group, which includes Oncology, Inflammation and Immunology, Rare Disease, Hospital, Vaccines and Internal Medicine business units, as well as a hospital business unit; Upjohn, which includes the company's solid oral dose brands such as Lyrica, Lipitor, Norvasc, Celebrex, Viagra, and certain generic medicines; and Consumer Healthcare, which is an over-the-counter medicines business.