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American Renal Associates Holdings, Inc. operates as a dialysis services provider in the United States. It operates dialysis clinics focusing on joint venture partnerships with physicians. The company offers kidney dialysis services to patients suffering from chronic kidney failure or end stage renal disease. As of December 31, 2019, it operated 246 dialysis clinics in partnership with 400 nephrologist partners treating approximately 17,300 patients in 27 states and the District of Columbia. The company was founded in 1999 and is headquartered in Beverly, Massachusetts.

HemaCare Corporation provides human-derived primary blood cells and tissues for biomedical research, and supporting cell therapy clinical trials and commercialization with apheresis collections in the United States. The company specializes in the customized collection, isolation, and testing of primary human blood cells and other biological products for research protocols and cellular therapy. It offers human blood cellular components derived from peripheral blood, bone marrow, and cord blood; and a range of consulting services in standard operating procedure development, personnel training, and quality and regulatory compliance. The company's network of FDA-registered, GMP/GTP-compliant collection centers ensures donor materials available to customers, as well as for use within its isolation laboratory. The company has strategic partnership with Charles River Laboratories International Inc. for human immune system research. HemaCare Corporation was founded in 1978 and is headquartered in Northridge, California.

Tivity Health, Inc. provides fitness and health products and solutions in the United States. The company offers SilverSneakers to members of Medicare Advantage, Medicare Supplement, and group retiree plans; Prime Fitness, a fitness facility access program through commercial health plans, employers, and other sponsoring organizations; virtual fitness experiences, including live instructor-led classes; and WholeHealth living program, a continuum of services related to complementary, alternative, and physical medicine. It also provides Wisely Well brand meals designed to support individuals and caregivers who are seeking meal convenience, as well as those recovering after a hospitalization or living with chronic conditions. The company was formerly known as Healthways, Inc. and changed its name to Tivity Health, Inc. in January 2017. Tivity Health, Inc. was incorporated in 1981 and is headquartered in Franklin, Tennessee.