American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886 and celebrating 140 years in 2026, We Keep Life Flowing® by providing safe, clean, reliable and affordable drinking water and wastewater services to approximately 14 million people with regulated operations in 14 states and on 19 military installations. American Water's approximately 7,000 talented professionals leverage their significant expertise and the company's national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and other stakeholders.
Founded by Emmett Culligan in 1936, Culligan is a world leader in delivering superior water solutions that will make a real difference in improving the health and wellness of consumers. The company offers some of the most technologically advanced, state-of-the-art water filtration and treatment services and solutions. These products include water softeners, drinking water systems, whole-house systems and solutions for businesses. Culligan's network of franchise dealers in North America, direct operations and other dealers is the largest in the world, with over 7,800 employees and 1,000 dealers in 90 countries. Many Culligan dealers have valuable equity in their local communities as multigenerational family owners of their franchises.
Established in 1925, EcoWater Systems LLC is one of the world's largest manufacturers of residential water treatment systems. EcoWater Systems is a member of The Marmon Group, an international association of about 140 business units that operate independently within diverse business sectors. The Marmon Group is a Berkshire Hathaway Company.
Simply put, we make the water in people’s lives better by manufacturing highly-engineered, in-home water softening and drinking water solutions. Ecowater is headquartered in Woodbury, MN, and has 3 manufacturing facilities, one in Minnesota and two in Mississippi.