Since 1946, the National MS Society remains the only voluntary health organization dedicated to the prevention, treatment, alleviation and cure of multiple sclerosis. The National MS Society is the only voluntary MS organization that meets the standards of all major agencies that rate nonprofit groups. The Greater Delaware Valley Chapter serves the following communities in Pennsylvania: Berks, Bucks, Carbon, Chester, Delaware, Lehigh, Monroe, Montgomery, Northampton, Philadelphia, Schuylkill counties and in New Jersey: Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Salem counties.