Abbott Laboratories is engaged in the discovery, development, manufacture, and sale of a range of health care products. The company's reportable segments are: established pharmaceutical products, which includes a range of generic pharmaceuticals; diagnostic products, which includes a range of diagnostic systems and tests; nutritional products, which includes a range of pediatric and adult nutritional products; and medical devices, which includes a range of rhythm management, electrophysiology, heart failure, vascular and structural heart devices for the treatment of cardiovascular diseases, and diabetes care products for people with diabetes, as well as neuromodulation devices.

AbbVie is a research-based biopharmaceutical company. The company's products are focused on treating conditions such as chronic autoimmune diseases in rheumatology, gastroenterology and dermatology; oncology, including blood cancers; virology, including hepatitis C virus and human immunodeficiency virus; neurological disorders, such as Parkinson's disease; metabolic diseases, including thyroid disease and complications associated with cystic fibrosis; pain associated with endometriosis; as well as other serious health conditions. The company also has medicines in clinical development across immunology, oncology and neuroscience, with additional targeted investment in cystic fibrosis and women's health.

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.

Natera is a diagnostics company. The company engages in the discovery, development and commercialization of genetic testing services. The company's product offerings include: Panorama Non-Invasive Prenatal Test, which screens for chromosomal abnormalities of a fetus typically with a blood draw from the mother; Vistara, a single-gene mutations screening test performed to identify single-gene disorders; Horizon Carrier Screening, which determines carrier status for a number of severe genetic diseases that could be passed on to the carrier's children; and Spectrum, which analyzes chromosomal anomalies or inherited genetic conditions during an in vitro fertilization cycle to select embryos for a pregnancy.

Quest Diagnostics provides diagnostic information services. The company's diagnostic information segment provides information based on the menu of routine, non-routine and clinical testing and anatomic pathology testing, and other diagnostic information services. The company's testing capabilities, includes services for the predisposition, diagnosis, treatment and monitoring of cancers and other diseases, and provides tests in several fields, including endocrinology, immunology, neurology and oncology. The company's diagnostic solutions provides risk assessment services for the life insurance industry, as well as provides healthcare organizations and clinicians health information technology solutions.