Oregon Department of Transportation History Center
- Historical records, correspondence and photographs dating back to the late 1800's are stored at the ODOT History Center.
- http://www.oregon.gov/ODOT/CS/BSS/historycenter.shtml

Oral History Collection
- The oral history program at OHS was established in 1976 to create, collect, and preserve sound-recorded documentation of Oregon history.
- http://www.ohs.org/collections/oralhistory/

NAS Tillamook
- History of this Naval Air Station on the Western coast of Oregon with historic timber blimp hangars. Home to a World War II lighter-than-air squadron.
- http://www.nastillamook.org/

The National Railway Historical Society
- The society is a non-profit organization which was formed in 1935 for historical and educational purposes.
- http://www.nrhs.com/

Oregon Archaeological Society
- Organizes forums for members to learn and discover Oregon's history by site tours, camp-outs, and supervised digs in the desert.
- http://www.oregonarchaeological.org/

Oregon Electric Railway Historical Society
- The mission is to preserve the regional heritage of electric railway transportation as a living resource for the benefit of the present and future generations.
- http://www.trainweb.org/oerhs/

Pacific Railroad Preservation Association.
- A non-profit, all-volunteer organization dedicated to restoring, maintaining, and operating historic railway equipment of the Pacific Northwest.
- http://www.sps700.org/prpa.html

Fairview-Rockwood-Wilkes Historical Society
- Stimulate an interest in and preserve the history of the Fairview, Rockwood, Wilkes areas of East Multnomah County Oregon.
- http://www.frwhs.org

End of the Oregon Trail
- Preserving culture and educating the public about the history, heritage, and spirit of the people at the end of the Oregon Trail.
- http://endoftheoregontrail.org/

Oregon Historical Society
- Preserving, collecting, and publishing Oregon's multicultural history through museum exhibitions, research collections, and publications.
- http://www.ohs.org/