GS0411: Educational services in the nature of providing courses at the university level and continuing education courses; educational services in the nature of providing university, professional and graduate courses in the fields of liberal arts and sciences, business, law, education, engineering, dental medicine, pharmacy, and nursing; entertainment services in the nature of live theater productions and music production services; arranging and conducting intercollegiate athletic competitions and providing facilities for an array of intercollegiate athletic competitions and sporting events
DM0000: The mark consists of the stacked letters "SIU" with the circle over the "I" represented by horizontal bars, and words "SOUTHERN ILLINOIS UNIVERSITY SYSTEM" in stylized font. There is a horizontal line between the letters "SIU" and the words "SOUTHERN ILLINOIS UNIVERSITY SYSTEM".