| 2026-06-03 | Grain Farmers of Ontario | Agriculture |
| 2026-06-02 | Food Banks Canada | Agriculture; Taxation and Finance; Consumer Issues |
| 2026-05-26 | GENERAL MOTORS OF CANADA COMPANY | Industry |
| 2026-03-24 | Fertilizer Canada | Environment; Industry; International Trade; Mining; Agriculture |
| 2026-03-24 | The Mosaic Company | Energy; Environment; Industry; Infrastructure; Internal Trade |
| 2026-03-24 | Heico 2004 Member, Inc. | International Trade |
| 2026-02-25 | Canadian Vehicle Manufacturers' Association | Environment; Industry; Internal Trade; International Trade; Transportation |
| 2026-02-03 | Dairy Farmers of Ontario (DFO) | International Trade; Agriculture |
| 2026-02-03 | Dairy Farmers of Ontario | Agriculture |
| 2026-01-26 | National Council of Canadian Muslims (NCCM) | Justice and Law Enforcement |
| 2026-01-23 | Toyota Canada Inc. | Industry |
| 2026-01-23 | Toyota Motor Manufacturing Canada Inc. | Energy; Environment; Industry; Infrastructure; International Trade |
| 2026-01-15 | Canadian Steel Producers Association | International Trade; Climate |
| 2025-12-08 | Canadian Coalition for Firearm Rights | Justice and Law Enforcement; National Security/Security |
| 2025-12-02 | Chicken Farmers of Ontario | Agriculture |
| 2025-11-26 | Canadian Produce Marketing Association | Employment and Training; Immigration; Industry; Internal Trade; International Relations |
| 2025-11-26 | Fruit & Vegetable Growers of Canada | Environment; Internal Trade; International Relations; International Trade; Labour |
| 2025-11-25 | Toyota Canada Inc. | Energy; Environment; Industry; Infrastructure; International Trade |
| 2025-11-25 | Canadian Labour Congress | Taxation and Finance |
| 2025-11-24 | GENERAL MOTORS OF CANADA COMPANY | Industry |
| 2025-11-18 | Alliance of Manufacturers & Exporters Canada (CME) | Employment and Training; Industry; International Trade; Science and Technology; Taxation and Finance |
| 2025-11-18 | Cenovus Energy Inc. | Energy |
| 2025-11-04 | Canada Organic Trade Association | International Trade; Agriculture; Budget; Research and Development; Federal-Provincial Relations |
| 2025-10-28 | IMT Group | Economic Development; Defence |
| 2025-10-28 | Association of Manitoba Municipalities | Infrastructure; Justice and Law Enforcement; Housing; Municipalities |
| 2025-10-07 | National Police Federation | Justice and Law Enforcement; Budget; Federal-Provincial Relations |
| 2025-09-06 | Canada's National Firearms Association | Justice and Law Enforcement |
| 2025-08-22 | Ontario Federation of Agriculture | Budget |
| 2025-04-13 | Canada's National Firearms Association | Justice and Law Enforcement |
| 2025-04-05 | Ontario Federation of Agriculture | Environment; Labour; Housing |
| 2025-04-02 | Ontario Federation of Agriculture | Environment; Labour |
| 2025-03-18 | Unifor | Health; International Trade |
| 2025-01-31 | GENERAL MOTORS OF CANADA COMPANY | Industry |
| 2025-01-31 | CANADIAN STANDARDS ASSOCIATION | Research and Development |
| 2024-11-26 | CANADIAN HEALTH FOOD ASSOCIATION | Health |
| 2024-11-23 | Canada's National Firearms Association | Justice and Law Enforcement |
| 2024-10-22 | The College of Family Physicians of Canada | Health; Taxation and Finance |
| 2024-10-22 | College of Family Physicians of Canada | Health; Taxation and Finance; Budget |
| 2024-10-21 | Canadian Real Estate Association | Financial Institutions; Taxation and Finance; Budget; Housing |
| 2024-10-08 | Canadian Alliance on Mental Illness and Mental Health | Health; Taxation and Finance |
| 2024-10-08 | Canadian Psychological Association | Health; Research and Development |
| 2024-10-07 | Canadian Medical Association | Employment and Training; Health; Taxation and Finance; Budget; Climate |
| 2024-06-11 | The Canadian Vaping Association | Health; Taxation and Finance |
| 2024-05-28 | Chicken Farmers of Ontario | International Trade; Agriculture |