R.D. Baker Enterprises, doing business as Dayton Water Systems, Dayton Sofwater and Alpha Water Conditioning, is a privately owned company that offers water purification equipment and services to residential, commercial, medical and industrial customers. Dayton Water Systems manufactures industrial and commercial water treatment equipment and a line of wholesale products for the plumbing industry. The company also supports an engineering and design group capable of producing systems to meet almost any customer requirement. Dayton Water Systems annual sales are more than $5 million.