Oregon Geocaching
- Features a forum and chat for the Oregon geocaching community.
- http://www.oregongeocaching.org/

Oregon (Washington County) Master Gardener Program
- Part of the greater Portland Metro program which also includes Multnomah and Clackamas counties.
- http://extension.oregonstate.edu/mg/

Team Oregon Motorcycle Training
- Motorcycle training programs for novice, intermediate, and advanced riders, at multiple locations.
- http://teamoregon.orst.edu/

Oregon Hot Springs
- Offers detailed maps, hours of operation, and contact information of all Oregon hot springs and hot pools.
- http://oregonhotsprings.immunenet.com/

Oregon Running
- Event promotions and online event registration aimed at promoting running in Oregon.
- http://www.orrun.com/

Angler Guide
- Fishing information on Oregon's lakes, rivers and streams.
- http://www.anglerguide.com/oregon

Nature of the Northwest
- Directory of wilderness areas in Oregon and Washington with information on hiking, camping, and geology.
- http://www.naturenw.org/

Tightlines Fishing
- A third generation fishing and rafting company offering adventures for families, friends, and co-workers on Oregon and Idaho Rivers.
- http://www.tightlinesfishing.com