REVENUES : $ 18bn WEBSITE : www . fmcna . com Fresenius Medical Care is a medical device company focused around providing products and services relating to kidney failure , and chronic disease . It makes , according to ProClinical , $ 18bn in revenue . It provides treatment for upwards of 190,000 patients in the United States , and employs over 60,000 people , becoming North America ’ s largest provider of renal care , according to Business Wire . With North American headquarters in Waltham , Massachusetts , it originated in Frankfurt , Germany , as a 15th-century pharmacy . It is ranked third on Forbes ’ 2015 list of “ America ’ s Best Employers ”. 04