The floor plan design of the Union has three levels.
The lower level houses the meeting rooms, lounge space, Computer Center, Northern Iowan (student newspaper), and KULT (student radio station).
The main level houses Old Central Ballroom ABC/Lobby (a large multi-purpose meeting room), Coffeehouse, Hemisphere Lounge, Meditation Room, Food/Retail Services, Health Beat, and the Office of Event Services.
The plaza level houses the Center for Multi-Cultural Education (CME), International Programs, Office of Student Involvement, and the Plaza Conference Room. Organizations housed within the Student Involvement Office:
- Office of Student Involvement
- LGBT* Center
- Military and Veterans Services
- Student Organizations
- Campus Activities Board (CAB)
- Fraternity and Sorority Life (FSL)
- Northern Iowa Student Government (NISG)
- Student Organization Offices
- Volunteer Center of the Cedar Valley (VCCV)