Raritan Group is a fourth-generation, Richardson family-owned and operated business since 1943, with locations in Edison, NJ and Gloucester City, NJ. These locations which are conveniently located in New Jersey, near New York, Pennsylvania and Delaware - along with our Raritan Pipe and Raritan Valve websites allow us to meet the 24/7/365 needs of our customers across the NJ, NYC Metro and Eastern PA areas.