| 2026-07-02 | Canadian Labour Congress | Labour |
| 2026-06-30 | CIFFA Corp | Financial Institutions; Industry; International Relations; International Trade; Labour |
| 2026-06-18 | Aircraft Mechanics Fraternal Association (AMFA) | Employment and Training; Industry; Internal Trade; Labour; Tourism |
| 2026-06-08 | GENERAL MOTORS OF CANADA COMPANY | Environment; Industry; Transportation |
| 2026-06-02 | Progressive Contractors Association of Canada | Environment; Industry; Labour; Taxation and Finance |
| 2026-06-02 | Food Banks Canada | Agriculture; Taxation and Finance; Consumer Issues |
| 2026-05-26 | Association of Canadian Port Authorities (ACPA) | Industry; Infrastructure; Internal Trade; International Trade; Transportation |
| 2026-05-26 | Association of Canadian Port Authorities | Industry; Infrastructure; Internal Trade; International Trade; Transportation |
| 2026-05-13 | HONDA CANADA INC. | Industry; International Trade; Labour; Taxation and Finance |
| 2026-04-27 | International Association of Heat and Frost Insulators and Allied Workers | Employment and Training; Budget |
| 2026-04-21 | Canadian Federation of Agriculture | Environment; Agriculture; Animal Welfare |
| 2026-04-14 | Western Grain Elevator Association | Labour |
| 2026-03-23 | Unifor | Employment and Training; Industry; International Trade; Labour; Economic Development |
| 2026-03-10 | Canadian Vehicle Manufacturers' Association | Environment; Industry; International Trade; Transportation |
| 2026-02-26 | Fertilizer Canada | Industry; Internal Trade; International Trade; Agriculture; Transportation |
| 2026-02-25 | Canadian Vehicle Manufacturers' Association | Environment; Industry; Internal Trade; International Trade; Transportation |
| 2026-02-24 | CIFFA Corp | Financial Institutions; Industry; International Relations; International Trade; Labour |
| 2026-02-24 | Canadian Union of Public Employees | Employment and Training; Industry; Regional Development; Science and Technology; Budget |
| 2026-02-24 | Canadian Union of Public Employees (CUPE) | Health; Infrastructure; Internal Trade; Labour; Taxation and Finance |
| 2026-02-13 | HRC Innovations Inc. | Energy; Environment; Industry; Justice and Law Enforcement; Labour |
| 2026-02-03 | Dairy Farmers of Ontario | International Trade; Agriculture |
| 2026-02-03 | Canadian Federation of Nurses Unions | Health |
| 2026-01-27 | Air Canada | Labour; Transportation |
| 2025-12-02 | Air Line Pilots Association, International (Canada) | Employment and Training; Labour; Transportation |
| 2025-11-26 | International Longshore and Warehouse Union Canada | Labour; Transportation |
| 2025-11-25 | Canadian Labour Congress | Taxation and Finance |
| 2025-11-18 | Canadian Construction Association | Employment and Training; Energy; Environment; Government Procurement; Immigration |
| 2025-10-30 | The Canadian National Railway Company | Internal Trade; International Trade; Labour; Transportation |
| 2025-10-23 | Saskatchewan Association of Rural Municipalities | Immigration; Labour; Agriculture; Transportation |
| 2025-10-22 | Ontario Home Builders Association | Taxation and Finance; Housing |
| 2025-10-21 | The Centre for Israel and Jewish Affairs | Justice and Law Enforcement; Taxation and Finance; National Security/Security |
| 2025-10-09 | Union of Safety and Justice Employees | Employment and Training; Health; Justice and Law Enforcement; Labour; Budget |
| 2025-10-08 | National Union of Public and General Employees | Pensions |
| 2025-09-25 | Kal Tire | Environment; Industry; International Relations; International Trade |
| 2025-09-24 | Federally Regulated Employers - Transportation and Communications (FETCO) | Labour |
| 2025-09-24 | United Association Local 787-HVACR Workers of Ontario | Employment and Training; Labour |
| 2025-09-17 | Canadian Union of Public Employees | Labour |
| 2025-09-10 | United Association Local 787-HVACR Workers of Ontario | Employment and Training; Labour |
| 2025-09-04 | Carpenters' Regional Council | Employment and Training; Immigration; Infrastructure; Taxation and Finance |
| 2025-08-25 | CIFFA Corp | Financial Institutions; Industry; International Relations; International Trade; Labour |
| 2025-08-07 | Air Canada | Labour |
| 2025-06-19 | Grain Growers of Canada | Labour; Agriculture; Transportation |
| 2025-06-16 | Air Line Pilots Association, International | Employment and Training; Immigration; Transportation |
| 2025-04-23 | Kal Tire | Environment; Industry; International Relations; International Trade |