The National Retail Federation (NRF) is the world's largest retail trade association. Its members include department stores, specialty, discount, catalog, Internet, and independent retailers, chain restaurants, and grocery stores. Members also include businesses that provide goods and services to retailers, such as vendors and technology providers. NRF represents an industry that contains over 1.6 million U.S. retail establishments with more than 24 million employees and (2005) sales of $4.4 trillion. NRF is also an umbrella group that represents more than 100 associations of state, national and international retailers.