- Aboriginal Affairs and Northern Development Canada
- Agriculture and Agri-Food Canada
- Canada Border Services Agency
- Canada Post / Innovapost
- Canada Revenue Agency
- Canada School of Public Service
- Canadian Co-operative Association
- Canadian Food Inspection Agency
- Canadian Mortgage and Housing Corporation
- Citizen and Immigration Canada
- Department of Justice
- Department of National Defence
- Elections Canada
- Employment and Social Development Canada
- Environment Canada
- Export Development Canada
- Finance Canada
- Fisheries and Oceans Canada
- Foreign Affairs, Trade and Development Canada
- Giant Tiger Stores Limited
- Human Resources and Skills Development Canada
- Immigration and Refugee Board
- Industry Canada
- Library and Archives Canada
- Library of Parliament
- National Capital Commission / Department of Canadian Heritage
- National Research Council
- Natural Resources Canada
- Office of the Information Commissioner
- Ottawa Police Service
- Public Health Agency of Canada
- Public Service Commission of Canada
- Public Works and Government Services Canada
- S.C. Johnson & Sons Inc.
- Service Canada
- Service Canada College
- Shared Services Canada
- Treasury Board of Canada – Secretariat
- University of Western Ontario