Apple Seed
- Apple Macintosh computer user group. News, downloads, links, list of officers, and membership information.
- http://personal.adiis.net/cconnect/appleseed/

The Marshalltown Area United Way
- Supports 26 agencies providing services in the county. Includes directory, donation form, membership levels and campaign information.
- http://www.unitedwaymarshalltown.org/

Community Y of Marshalltown
- Programs for youth, teens, and adults. Descriptions of programs, hours of operation, partners with youth campaign, and mission and values.
- http://www.ymca-ywca.org/

U.S. Naval Sea Cadet Corps - Central Iowa Division
- Overview, plan of the day, chain of command, training schedule and materials, newsletters, and photos.
- http://www.iowacadets.org/

Marshalltown Fellowship of Christian Athletes
- Includes information about the annual Iowa FCA State Retreat and registration instructions.
- http://www.marshalltownfca.com/

Mid-Iowa Community Action, Inc. (MICA)
- Private, non-profit organization serving children and families in central Iowa. Includes description of services, location and contact information.
- http://www.micaonline.org