| 2026-06-11 | First Nations Finance Authority | Financial Institutions; Aboriginal Affairs; Regional Development; Taxation and Finance; Budget |
| 2026-06-11 | Canadian Labour Congress | Labour |
| 2026-06-08 | UNITED STEEL, PAPER AND FORESTRY, RUBBER, MANUFACTURING, ENERGY, ALLIED INDUSTRIAL AND SERVICE WORKERS INTERNATIONAL UNION | Employment and Training; Industry; Labour; Regional Development; Budget |
| 2026-06-04 | Aerospace Industries Association of Canada | Employment and Training; Environment; Government Procurement; Immigration; Industry |
| 2026-05-28 | Xplore Inc. | Telecommunications; Infrastructure; Regional Development; Science and Technology; Taxation and Finance |
| 2026-05-05 | Ronald McDonald House Canada | Health; Infrastructure; Budget; Housing |
| 2026-04-22 | Patriotic Millionaires Canada | Taxation and Finance |
| 2026-04-15 | David Suzuki Foundation | Energy; Environment; Infrastructure; Budget; Climate |
| 2026-03-23 | Irving Shipbuilding Inc. | Government Procurement; Defence |
| 2026-02-10 | Citizens' Climate Lobby Canada | National Security/Security; Elections |
| 2026-02-05 | Islamic Relief Canada | Environment; Immigration; Internal Trade; Justice and Law Enforcement; International Development |
| 2026-02-03 | Canadian Federation of Nurses Unions | Health |
| 2026-01-27 | National Council of Canadian Muslims (NCCM) | Justice and Law Enforcement; National Security/Security; Religion; Foreign Affairs; Constitutional Issues |
| 2026-01-27 | The National Council of Canadian Muslims | Justice and Law Enforcement |
| 2025-12-18 | The Professional Institute for the Public Service of Canada | Employment and Training; Environment; Fisheries; Government Procurement; Health |
| 2025-11-25 | Canadian Labour Congress | Taxation and Finance |
| 2025-11-25 | Canadian Federation of Nurses Unions | Health |
| 2025-11-18 | Public Service Alliance of Canada | Government Procurement; Labour; Budget |
| 2025-11-10 | Climate Caucus Council | Infrastructure; Transportation; Climate; Housing |
| 2025-10-31 | Canada's Building Trades Unions | Employment and Training; Infrastructure; Labour; Taxation and Finance; Budget |
| 2025-10-30 | Federation of Canadian Municipalities | Immigration; Infrastructure; Housing; Municipalities |
| 2025-10-30 | FEDERATION OF CANADIAN MUNICIPALITIES | Infrastructure; Taxation and Finance; Municipalities |
| 2025-10-30 | ELECTRICITY CANADA | Energy; Environment; Industry; Infrastructure; Taxation and Finance |
| 2025-10-28 | Co-operative Housing Federation of Canada | Regional Development; Taxation and Finance; Budget; Housing; Economic Development |
| 2025-10-28 | Co-operatives and Mutuals Canada | Employment and Training; Regional Development; Agriculture; Small Business; Taxation and Finance |
| 2025-10-09 | TEAMSTERS CANADA | Employment and Training; Internal Trade; International Trade; Labour; Budget |
| 2025-10-09 | Nisga'a Nation, as represented by Nisga'a Lisims Government | Aboriginal Affairs |
| 2025-10-09 | Maa-nulth Treaty Society | Aboriginal Affairs |
| 2025-10-09 | Climate Caucus Council | Infrastructure; Transportation; Climate; Housing |
| 2025-10-03 | Canadian Teachers' Federation | Health; Taxation and Finance; Federal-Provincial Relations; Education |
| 2025-10-02 | Newmont Goldcorp North America | Environment; Aboriginal Affairs; Infrastructure; Mining; Economic Development |
| 2025-10-02 | Canadian Association of Professional Employees | Employment and Training; Government Procurement; Health; Labour; Transportation |
| 2025-09-25 | Office Of Religious Congregations For Integral Ecology | Energy; Environment; Financial Institutions; Industry; International Relations |
| 2025-09-24 | David Suzuki Foundation | Energy; Environment; Infrastructure; Budget; Climate |
| 2025-09-23 | Terry Fox Humanitarian Awards Inc. | Budget; Education |
| 2025-09-23 | First Nations' Emergency Services Society | Environment; Aboriginal Affairs; National Security/Security; Natural Resources |
| 2025-09-22 | Canadian Labour Congress | Health |
| 2025-09-18 | Canadian Union of Public Employees | Labour |
| 2025-09-16 | Canadian Urban Transit Association | Infrastructure; Justice and Law Enforcement; Transportation; Budget; Municipalities |
| 2025-09-16 | CANADIAN APPRENTICESHIP FORUM - FORUM CANADIEN SUR L'APPRENTISSAGE | Employment and Training |
| 2025-09-04 | Canadian Federation of Independent Business (CFIB) | Environment; Internal Trade; International Trade; Small Business; Taxation and Finance |
| 2025-09-04 | Public Service Alliance of Canada | Government Procurement; Justice and Law Enforcement; Labour; Budget; Pensions |
| 2025-09-03 | Co-operatives and Mutuals Canada | Employment and Training; Government Procurement; Regional Development; Agriculture; Small Business |
| 2025-09-02 | IATSE - International Alliance of Theatrical Stage Employees | Taxation and Finance; Arts and Culture |
| 2025-08-22 | Canadian Alliance of Student Associations | Employment and Training; Government Procurement; Immigration; Infrastructure; Budget |
| 2025-08-13 | TELUS Corporation | Telecommunications |