WALTHAM, Mass.--(BUSINESS WIRE)--Fresenius Medical Care, operator of the world’s largest provider of dialysis products and services, has been named by The Ethisphere Institute as one of the “World’s Most Ethical Companies” in the publication’s second annual list. This year, Fresenius Medical Care joins other honorees including Kellogg, GE, Cisco, BMW, Trader Joe’s and IKEA.