Founded in 1930 as Merchants Advertising Service, Yellow Book USA is one of the oldest and largest independent publishers of yellow page directories in the United States. It offers advanced online search options and nearly 1,000 print directories that connect buyers and sellers in towns across the U.S. With a circulation of more than 120 million, Yellow Book USA provides listing and advertising options to customers and serves as a marketing platform for businesses. It is owned and operated by Yell Group, which is a leading international directories business operating in the classified advertising market in the United Kingdom, the U.S., Spain and Latin America through printed, online and telephone-based media. Headquartered in Uniondale, N.Y., Yellow Book USA maintains a location in Oklahoma City.