Established in 1905, the American Advertising Federation (AAF), acts as the "Unifying Voice for Advertising." Its membership is comprised of more than 60 corporate members made up of the nation’s leading advertisers, agencies, and media companies; a national network of 150+ local clubs representing 35,000 advertising professionals; and 140+ college chapters with 4,000 student members. The AAF operates a host of programs and initiatives, including Advertising Day on the Hill, the Advertising Hall of Fame, the Advertising Hall of Achievement, the American Advertising Awards, and the National Student Advertising Competition.