The Pennsylvania State University (PSU) is a public research university located in Pennsylvania, U.S.A. Founded in 1855 as an agricultural college, it has grown to have 24 campuses and an enrollment of over 90,000 students. Pennsylvania State University is known as one of the top ten contributing universities in the United States, and the Department of Industrial Engineering has been in existence for over 100 years. The Department of Industrial Engineering has a history of more than 100 years. It also has strengths in earth sciences, materials science, mass media, education, agricultural sciences, and business administration.