Heartland Humane Society
- Nonprofit organization dedicated to protecting the lives of companion animals. Events, photographs of available pets, volunteer needs, lost and found pets listings, newsletter, and a list of their services.
- http://www.heartlandhumane.org/

Audubon Society of Corvallis
- Actively involved in birdwatching, field trips, conservation, bluebird preservation, Christmas bird counts, school programs, and many other activities.
- http://www.audubon.corvallis.or.us/

The Corvallis Adopt-A-Minefield Project
- Organization explains how they raised funds to clear mine fields in Afghanistan.
- http://www.corvallislandmines.org/

South Corvallis Neighbors
- Events, meetings, projects, contacts, e-mailing list and links for the South Corvallis neighborhood.
- http://thorgolucky.com/south-corvallis.htm

Vina Moses Center
- Non-profit accepts donations and provides used clothing, household goods and emergency financial assistance to residents of Benton County.
- http://www.vinamoses.org/

LBvision
- Database of volunteer opportunities in Corvallis and surrounding areas.
- http://www.lbvision.org/

Jackson Street Youth Shelter
- Provides shelter and assistance to homeless and troubled youth.
- http://www.jsysi.peak.org

Community Alliance for Diversity
- Collaborative effort among community members and local government, businesses, and schools to recognize, appreciate, and celebrate diversity. Programs, resources, calendar, and membership information.
- http://alliancefordiversity.org

Chintimini Wildlife Rehabilitation Center
- Non-profit volunteer organization providing care for approximately 800 animals a year. History of the center, services, goals, programs, and membership information.
- http://www.chintiminiwildlife.org/

Corvallis Environmental Center
- To broaden public participation in the protection and restoration of the natural environment through education and empowerment.
- http://www.peak.org/~ecenter/