Media Source

Media Source Inc. (MSI) is a leading provider of independent reading and information services to K-12 professionals and library leaders across the United States. Headquartered in Dublin, Ohio, the company has established itself as the gold standard in the library and education market, operating a portfolio of iconic brands that collectively serve over 50,000 school and public libraries nationwide.

The company operates five distinguished brand platforms: Junior Library Guild (JLG), which provides curated book collection development services to more than 23,000 libraries and was founded in 1929; AKJ Education, a national wholesaler of books and educational resources founded in 1974; Library Journal, one of the oldest and most respected media brands in the library field since 1876; School Library Journal, serving over 100,000 librarians and information specialists for more than 60 years; and The Horn Book Magazine, a premier publication for children's and young adult literature since 1924.

Through these brands, Media Source reaches more than 300,000 K-12 and library professionals and indirectly serves over 30 million students. The company strengthens the library ecosystem through data-driven insights, thought leadership, industry relationships, and professional development services. As a portfolio company of private equity firms including The Vistria Group and previously RLJ Equity Partners, Media Source continues to advance its mission of inspiring passion for reading and supporting library services nationwide.