The Princeton Review is an education services company providing tutoring, test preparation and admission resources for students. It was founded in 1981, and since that time has worked with over 400 million students. Services are delivered by 4,000+ tutors and teachers in the United States, Canada and international offices in 21 countries.; online resources; more than 150 print and digital books published by Penguin Random House; and dozens of categories of school rankings. The Princeton Review's affiliate division, Tutor.com, provides online tutoring services. The Princeton Review is headquartered in New York City and is privately held. The Princeton Review is not associated with Princeton University.

Penguin Random House LLC is an Anglo-American multinational conglomerate publishing company formed on July 1, 2013, with the merger of Penguin Books and Random House. Penguin Books was originally founded in 1935 and Random House was founded in 1927. It has more than 300 publishing imprints. Along with Simon & Schuster, Hachette, HarperCollins and Macmillan Publishers, Penguin Random House is considered one of the 'Big Five' English language publishers.