Make a Wish of South Dakota
- Dedicated to making special wishes come true for South Dakota children facing life-threatening medical conditions. Includes events, news, driving for dreams, adopt a wish, stories and contact information.
- http://www.wishsd.org/

Sierra Club - SD
- Seeks to preserve the natural environment through education and activism. Includes links to local chapters and activities.
- http://southdakota.sierraclub.org/

SD Humanities Council
- Directory of resources to publications, people and sites, as well as how to apply for grants.
- http://web.sdstate.edu/humanities/

Lutheran Social Services
- Features an overview of the organization, services, events, news and employment opportunities.
- http://www.lsssd.org