Habitat for Humanity of Seattle/South King County
- More than just about building houses, they are about the working families who take pride of ownership in their homes and help stabilize and improve their neighborhoods.
- http://www.seattle-habitat.org/

Eastside Heritage Center
- Established through the merger of the Bellevue Historical Society, in Bellevue, and the Marymoor Museum of Eastside History, in Redmond, they maintain and preserv a collection of artifacts, photos and archival material related to East King County.
- http://eastsideheritagecenter.org/

4Culture
- Supporting the arts, heritage, and education through their Public Art Program. Formerly Cultural Development Authority of King County.
- http://www.4culture.org/

South King County Cultural Coalition
- They aim to increase the visibility and participation in South King County cultural programs by connecting artists, audiences and cultural resources.
- http://www.sococulture.org/

King County Snapshots
- Thousands of historical images portraying people, places, and events in the county's urban, suburban, and rural communities in the 19th and 20th centuries.
- http://content.lib.washington.edu/imls/kcsnapshots/index.html

The Compass Center
- Provides transitional and emergency services to homeless men and women at 13 locations in the Puget Sound region. Includes news and a list of services.
- http://www.compasscenter.org/

King County Labor Council, AFL-CIO
- Central body of labor organizations made up of more than 175 organizations.
- http://www.kclc.org/

HistoryLink
- An evolving online data base and website devoted to chronicling the history of Seattle and King County, Washington.
- http://www.historylink.org/