FMS vs WTS Comparison

Fresenius Medical Care is the largest dialysis company in the world, treating nearly 300,000 patients from about 3,600 clinics worldwide as of December 2025. In addition to providing dialysis services, the firm is a leading supplier of dialysis products, including machines, dialyzers, and concentrates. Fresenius accounts for about 35% of the global dialysis products market, creating the world's only fully integrated dialysis business. Services account for about three-fourths of sales, while the balance is generated from medical technology products that enable dialysis treatments.

Watts Water Technologies Inc is a U.S.-based company that provides safety, energy efficiency, and water conservation products. Its product portfolio includes residential and commercial flow control products, which are sold for plumbing and hot water applications; HVAC and gas products, including commercial boilers, water heaters, heating solutions, etc.; drainage and water reuse products, including drainage products and engineered rainwater-harvesting solutions; and water quality products, including point-of-use and point-of-entry water filtration, conditioning, and scale prevention systems. Its products are marketed through brands like Watts, Apex, Bradley, Nexa, and others. Geographically, the company derives its key revenue from the Americas, followed by Europe and the APMEA region.