Ottawa-Carleton Elementary Teachers Federation
- Organization profile, information about committees and awards, advisories, list of professional associations, newsletters, and calendar of events.
- http://www.ocetf.org/

Ottawa Labour Council
- Represents members from local unions and carries out the policies of the Canadian Labour Congress and the Ontario Federation of Labour. Includes news, event details, history, and contact details.
- http://www.ottawalabour.org/

Ontario Secondary School Teachers Federation - District 25 Ottawa-Carleton
- Local union. News and photos of past events are included.
- http://www.osstf25.on.ca/

Ontario English Catholic Teachers Federation - Ottawa-Carleton Unit
- Union local. News, events, seminars, issues information.
- http://www.oectaottawacarleton.on.ca/

Ottawa Professional Firefighters Association
- Union profile, newsletters, union forms, forum, and event details.
- http://www.ottawafirefighters.org/