Fresenius Medical Care Holdings, operating as Fresenius Medical Care North America or FMCNA, operates a network of some 2,100 dialysis clinics located throughout the continent. One of the largest providers of kidney dialysis services, FMCNA offers outpatient and in-home hemodialysis treatments for chronic kidney disease. The company's operating units also market and sell dialysis machines and related equipment and provide renal research, laboratory, and patient support services. FMCNA oversees the North American operations of dialysis giant Fresenius Medical Care AG & Co.