Interep National Radio Sales, Inc. operates as an independent spot radio representation firm serving radio broadcast clients, television, and Internet service providers in the United States. It provides national sales representation for clients whose diverse formats include country, rock, sports, Hispanic, classical, urban, news, talk, oldies, adult contemporary, jazz, and contemporary hits. The company also performs research, scheduling, billing, payment, pre-analysis, and post-analysis functions relating to the advertising time purchase. In addition, it provides sales and marketing of online advertising, as well as online marketing research to clients and advertisers. Further, the company provides concept development and sales promotion services, such as advertising support, merchandising, and sales incentive programs. It serves radio broadcast clients and advertisers in the United States, Mexico, and Canada. Interep National Radio was founded in 1953 and is based in New York, New York.