Economic Development
- Marion CANDO
- Ohio Department of Development

Workforce Development
- Alber Enterprise Center
- OSU Marion
- Marion Connections
- Marion County Job & Family Services
- Marion Workforce Development Video
- Marion Technical College
- MTC Center for Workforce Development
- Tri Rivers Career Center

Business Services
- Downtown Marion
- Marion Area Chamber of Commerce
- Marion Board of Realtors
- Marion Connections

Utilities
- American Electric Power (AEP)
- Columbia Gas of Ohio
- First Energy (Ohio Edison)
- Mid-Ohio Energy
- Ohio American Water

Local Government
- City of Marion
- Marion County
- Regional Planning Commission

Media
- Marion Online
- The Marion Star
- TV 22
- WYNT 95.9 FM
- WMRN 1490 AM

Marion County Profile
- County Profile

Education
- OSU Marion
- Marion Technical College
- Elgin Local School District
- Marion Catholic Schools
- Marion City School District
- Pleasant Local School District
- Ridgedale School District
- River Valley School District

Health Services
- Marion General Hospital
- Marion Independent Physicians Association
- Smith Clinic

Visitors
- Marion Area Historical Society
- Marion Convention and Visitors Bureau