EcoWater Systems is a member of Berkshire Hathaway’s Marmon Group, an international association of more than 100 autonomous manufacturing and service companies. The group is ranked number 19 on Forbes’ list of the largest privately held companies in the United States.  Marmon emphasizes member autonomy, lean management and investment in new state-of-the-art technology. Marmon Water, a global leader in the manufacturing of equipment to treat water comprises, in addition to EcoWater Systems, several other sector leaders in the residential, commercial and industrial water treatment and purification space.