From www.penguinrandomhouseaudio.com/about-us/:

As the premiere publisher in the audiobook industry, Penguin Random House Audio is dedicated to producing top-quality fiction and nonfiction audiobooks written and read by the best in the business, including books by bestselling authors John Grisham, Dan Brown, Janet Evanovich, Kathryn Stockett, Khaled Hosseini,  J.K. Rowling, and Rick Riordan, as well as Presidents Barack Obama, George W. Bush and Bill Clinton. Our audiobooks have won 13 Grammy® Awards, 69 Audie® Awards, and 15 Odyssey Awards. Random House Audio, and its sister imprints Penguin Audio, Listening Library and Books on Tape, are a division of Random House LLC, a Penguin Random House Company.