Dufferin Voices of Children Alliance (VOCA)
- Works to reform the Children's Aid Society (CAS) of Dufferin County, and outlines cases that the CAS may have handled incorrectly.
- http://www.fixcas.com/

Dufferin Directory
- A directory of businesses and services available in Dufferin County, including Orangeville, Shelburne, Grand Valley, Mono and surrounding areas.
- http://www.dufferindirectory.com/

Dufferin and South Simcoe Land Stewardship Network
- Mandate to develop programs for private land use that maintain and preserve rural areas and resources.
- http://www.ontariostewardship.org/ontariostewardship/home/osLSNDSSIndex.asp

Humber Springs Trout Club
- Features two ponds supported by stocks of rainbow and speckled trout, with casting platforms and lodge.
- http://www.humbersprings.com/

Headwaters Health Care Centres
- Acute care hospitals located in Orangeville and Shelburne, serving Dufferin County and the Town of Caledon. Lists patient information and services.
- http://www.headwatershealth.ca/

Greater Dufferin Area Chamber of Commerce
- An organization dedicated to good business and the economic health of Dufferin County. Provides membership information, a directory of businesses, news and internet resources.
- http://www.gdacc.ca/

Community Mental Health Clinics
- Offers help for people with serious mental health issues or developmental challenges, sponsored by the Ministry of Community and Social Services. Locations include Guelph, Orangeville, Fergus, Erin, Arthur and Mount Forest.
- http://www.freespace.net/~cmhc/

Dufferin County Museum and Archives
- Provides information about exhibitions, map and driving directions, admissions, calendar and education programs.
- http://www.dufferinmuseum.com/

Dufferin Child and Family Services
- Exists so that children of Dufferin County will live in a safe, nurturing environment with a permanent family. Includes information on adoption and foster care, other services, volunteer opportunities and contacts.
- http://www.dcafs.on.ca/

Dufferin County
- The county web site which list member municipalities, departments, contact information, financial news and among other extensive links, DIAL, the community information access line.
- http://www.dufferincounty.on.ca/