Marion Municipal Airport Airnav provides aeronautical and operational data including location, runways, radio aids, fuel services and lounge facilities, and links to flying club and flight training. | Iowa State University Extension - Marion County Offers agricultural, business, family and 4-H programs and resources. Includes staff directory, news, events, hours and directions. Located in Knoxville. | Marion County Chamber of Commerce Promoting business interests and a healthy economy in the county. Includes county history and information about the organization and its programs. |