- Safety and Transportation, Department of (now University Safety)
- School of Earth, Environment and Sustainability
- School of Health Sciences ( Kinesiology programs)
- Sciences, College of Natural and Applied
- Secondary Education
- Service-Learning, Citizenship and
- Sexual Assault: Prevention, Education and Resources (now Title IX Resources)
- Small Business Development Center (SBDC) at MSU
- Smart, Clif
- SOAR
- Social Work Programs
- Sociology, Anthropology and Gerontology Department
- Space Management
- Special Education, Leadership and Professional Studies, School of
- Speech-Language and Hearing Clinic
- Sports Information (now Athletics Communications)
- Sports Medicine, Department of Public Health and
- Springfield Innovation Inc.
- Staff Senate
- Strategic Communication, Office of
- Student Affairs, Division of
- Student Conduct, Office of
- Student Development and Public Affairs (now Student Success)
- Student Employment Services
- Student Engagement, Office of
- Student Orientation, Advisement and Registration
- Student Success
- Student Support and Opportunity Services
- Student Teaching
- Student Union
- Study Away Programs (now Office of Education Abroad)
- Sugar Bears Dance Team
