National Retail Federation (NRF) is the world's largest retail trade association. Its membership comprises all retail formats and channels of distribution including department, specialty, discount, catalog, Internet, independent stores, chain restaurants, drug stores and grocery stores as well as the industry's key trading partners of retail goods and services. NRF represents an industry with more than 1.6 million U.S. retail establishments with more than 24 million employees - about one in five American workers - and 2008 sales of $4.6 trillion. As the industry umbrella group, NRF also represents more than 100 state, national and international retail associations.