The Theater Development Fund (TDF) is a non-profit corporation dedicated to assisting the theatre industry in New York City. Created in 1968 to help an ailing New York theatre industry, TDF has grown into the nation's largest performing arts nonprofit, providing support to more than 900 plays and musicals and returning upwards of $1.5 billion in revenue to thousands of Broadway, Off-Broadway and off Off-Broadway music and dance productions. - Source: Wikipedia
