Cleaning water, conserving energy and delivering maintenance solutions since 1919. National Disinfectant Company, the original incarnation of NCH Corporation, was founded in Dallas, Texas, by Milton P. Levy in 1919. Levy's three sons, Lester, Milton Jr., and Irvin, started working in the company warehouse and shipping areas as teenagers. Today, NCH distributes to more than 50 countries with an extensive and varied product line, and our outlook for growth in the market remains strong. The Leadership of the company remains in the hands of the Levy family, descendants of the founder, Milton P. Levy, Senior.