The American Advertising Federation (AAF), headquartered in Washington, D.C., acts as the "Unifying Voice for Advertising." The AAF is the oldest national advertising trade association, representing 40,000 professionals in the advertising industry. The AAF has a national network of 200 ad clubs located in ad communities across the country. Through its 215 college chapters, the AAF provides 6,500 advertising students with real-world case studies and recruitment connections to corporate America. The AAF also has 130 blue-chip corporate members that are advertisers, agencies and media companies, comprising the nation's leading brands and corporations.