The Greater Philadelphia Cultural Alliance was founded in 1972 and is one of the nation’s best-known and most effective arts service organizations. We serve the Greater Philadelphia region, including the five counties surrounding Philadelphia. Our membership base comprises over 450 nonprofit and for-profit members, but the Cultural Alliance is dedicated to serving the entire cultural sector – over 1,500 performing arts, visual arts, history, science, horticulture, arts education, community art centers and other cultural organizations.