Grey Roots
- A heritage and information centre combining Grey County's Museum, archives and tourism services in one convenient location, south of Owen Sound.
- http://www.greyroots.com/

Grey County Forest Stewardship Council
- Develops programs for private land use that maintain and preserve rural areas and resources.
- http://www.ontariostewardship.org/ontarioStewardship/home/osGCFSNIndex.asp

County of Grey Museum
- A historical museum in Owen Sound, featuring artifacts and local history information. Includes links to other museums in the county.
- http://www.greycounty.on.ca/museum/

Centre Grey Health Services Foundation
- Raises funds to improve local health care by building a new hospital in Markdale, replacing the current facility. Lists news, events and information for donors.
- http://www.cghsfoundation.com/

Blue Highlands Citizens Coalition
- A group of concerned citizens who oppose the SWEI/Brascan industrial wind power project proposed for Grey Highlands and The Town of Blue Mountains.
- http://www.bhcc.ca

Verona Jackson
- Liberal candidate for the federal riding of Bruce-Grey-Owen Sound in the 2006 general election.
- http://www.veronajackson.com/

Bruce and Grey Branch - Ontario Genealogical Society
- Provides genealogy links, profiles of county communities, information about municipal amalgamations and contact information for county councillors.
- http://www.bmts.com/~bgogs/

Grey County Ontario GenWeb
- An extensive collection of resources for genealogical and local history research in Grey County.
- http://www.rootsweb.com/~ongrey/

St. Mary's & the Missions
- A catholic church in Owen Sound and seven mission churches around northern Grey and Bruce Counties, served by the Basilians. Lists staff directory, upcoming events, locations and Mass schedules for all eight churches.
- http://www.stmarys-os.org/

Directory of the County of Grey for 1865-6
- Community and other information for over 7,600 names listed alphabetically under the 17 townships of Grey County.
- http://freepages.genealogy.rootsweb.com/~wjmartin/grey1.htm