The Union is the busiest building on campus, housing the admissions office, book shop, career center, student art gallery, cafeteria, the Oneota Market coffee and sandwich shop, and Marty's, a special place for food and entertainment.
The Union is also home to the president’s and dean’s offices and the Diversity Center, along with the student life and student activities offices.
Dahl Centennial Union houses the admissions welcome center, administrative offices, offices
for student organizations, dining facilities, a book shop, the campus mail center, conference
rooms, and one of four art galleries on campus.