The Radio Advertising Bureau (RAB) is a prominent non-profit trade association dedicated to promoting radio as an effective advertising medium in the United States. Founded to support the radio industry, RAB provides research, marketing services, and educational resources to radio stations, advertisers, and agencies. It conducts market research on radio listenership and advertising effectiveness, offers training programs for sales professionals, and develops campaigns to highlight radio's value in the broader media landscape. Through initiatives like the Radio Marketing Bureau and partnerships with major networks, RAB helps connect advertisers with radio opportunities, emphasizing radio's reach, targeting capabilities, and return on investment. Over the decades, RAB has played a key role in the evolution of radio advertising, adapting to technological changes such as digital streaming and podcasting while maintaining its focus on traditional broadcast radio. It collaborates with organizations like Westwood One, providing institutional support and shared resources to enhance industry standards and advocacy. RAB's efforts include lobbying for favorable policies, producing industry reports, and hosting events that foster networking and innovation in radio sales and marketing. As a central hub for the U.S. radio advertising ecosystem, RAB continues to advocate for the medium's relevance amid competition from digital platforms, offering data-driven insights and tools to sustain radio's economic impact, which exceeds billions in annual ad revenue.