NxStage operates in three segments: System One, In-Center, and Services. The System One segment contributes the majority of revenue and sells and rents portable hemodialysis systems and related consumable products for home and critical care hemodialysis treatments. The In-Center segment sells blood tubing sets and needles for hemodialysis, primarily to dialysis clinics, and the Services business provides dialysis to customers at NxStage Kidney Care dialysis centers. NxStage is leading the renal revolution with innovative yet simple therapeutic solutions that benefit patients, caregivers, and society.