What is "peterson's"

Peterson’s, founded in 1966, is an American company offering a wide range of live, print, and online products and services including test preparation, school searches, financial aid searches, career exploration tools, and professional writing services. Peterson’s is headquartered in Lawrence Township, Mercer County, New Jersey, with its mailing address in Lawrenceville.

Peterson's was privately held until its 1995 purchase by The Thomson Corporation. It became part of Thomson Learning (spun off in 2007 as Cengage Learning). On July 27, 2006, Peterson's was acquired by the Nelnet family of companies.