Roberts Filter Group is the largest family-owned water filtration company in the United States, with more than 4,000 installa ... tions across five continents. More than a century ago, in 1889, the firm designed and patented one of the earliest water filters, and has continued to develop some of the industry’s most innovative products and services for municipal, industrial and military uses. The fifth-generation firm also continues to work with the world’s smartest companies and engineers to answer the industry’s demand for customized, flexible solutions and efficient operations – now and for the future. read more