Anishinabek Nation
- Member First Nations of the Anishinabek Nation (also known as the Union of Ontario Indians). The Nation includes Odawa, Ojibway, Pottawatomi, Delaware, Chippewa, Algonquin and Mississauga tribal groups in First Nations located across Ontario.
- http://www.anishinabek.ca/

Wikipedia: List of Census Subdivisions in Ontario
- A list of cities, towns, villages, townships, reserves and other settlements in the province. Provides articles on many and links to related sites where available.
- http://en.wikipedia.org/wiki/List_of_census_subdivisions_in_Ontario

CityTown Info
- A list of sites of cities and towns across the province, arranged alphabetically.
- http://www.citytown.info/Canada/Ontario.htm

Treaty #3 First Nations
- Listing of First Nations within the Grand Council of the treaty, with contact information, a community profile and interactive map.
- http://www.treaty3.ca/grandchief/communities.php

Chiefs of Ontario
- A co-ordinating body for 134 First Nation communities located within the boundaries of this province.
- http://www.chiefs-of-ontario.org/

Nishnawbe-Aski Nation
- A listing of the member First Nations located in Northwestern Ontario. (Formerly known as Grand Council Treaty #9).
- http://communities.knet.ca/

FONOM - The Federation Of Northern Ontario Municipalities
- Includes a mandate statement, news, Board of Directors and membership information, related issues and contacts.
- http://www.fonom.org/

Association of Municipal Managers, Clerks and Treasurers of Ontario
- Professional association dedicated to serving the needs of municipal employees in Ontario. Lists training programs, news and legislation from Queen's Park, directories of municipal officials, publications and services.
- http://www.amcto.com/home.asp

The Association Of Municipal Tax Collectors of Ontario
- Brings people involved in collecting municipal taxes together to improve relations, unite efforts and to promote their professional knowledge and general interests. Lists upcoming events and current issues.
- http://www.amtco.on.ca/

Association of Municipalities of Ontario
- Works with and for municipal governments in areas such as inter-government relations and policy development; information gathering and disseminating on issues affecting municipalities.
- http://www.amo.on.ca/