| 2026-07-16 | Environmental Defense fund | Environment |
| 2026-06-23 | Mechanical Contractors Association of Canada | Industry; Taxation and Finance; Budget |
| 2026-06-18 | Pacific Manufacturing Association of Canada (PMAC) | Environment; Industry; International Trade; Taxation and Finance; Economic Development |
| 2026-06-18 | Emera Incorporated | Energy; Environment; International Trade; Taxation and Finance; Climate |
| 2026-06-16 | Heating, Refrigeration & Air Conditioning Institute of Canada | Employment and Training; Energy; Environment; Industry; Internal Trade |
| 2026-06-09 | Canadian Anesthesiologists' Society | Environment; Health |
| 2026-06-03 | Food Banks Canada | Agriculture; Taxation and Finance; Consumer Issues |
| 2026-06-01 | Ocean Group Inc. | Government Procurement; Industry; Transportation |
| 2026-06-01 | Unknown | Employment and Training; Energy; Environment; Fisheries; Forestry |
| 2026-06-01 | Fur Institute of Canada | Fisheries; International Trade; Economic Development |
| 2026-05-28 | Carnival Corporation | Environment; Tourism; Transportation |
| 2026-05-27 | Xplore Inc. | Telecommunications |
| 2026-05-21 | Justice For All Canada | Immigration; Aboriginal Affairs; International Relations; International Trade; Justice and Law Enforcement |
| 2026-05-06 | Heart and Stroke Foundation of Canada | Health; Taxation and Finance; Federal-Provincial Relations |
| 2026-05-06 | Canadian Meat Council | International Trade; Agriculture; Small Business; Taxation and Finance; Foreign Affairs |
| 2026-05-06 | Ronald McDonald House Canada | Health; Infrastructure; Budget; Housing |
| 2026-05-06 | The Canadian Lung Association | Health; Taxation and Finance; Budget |
| 2026-05-06 | CANADIAN CANCER SOCIETY | Health |
| 2026-04-29 | National Association of Career Colleges | Budget; Economic Development; Education |
| 2026-04-22 | Chicken Farmers of Canada | International Trade; Agriculture; Taxation and Finance |
| 2026-04-22 | Xplore Inc. | Telecommunications; Infrastructure; Regional Development; Science and Technology; Taxation and Finance |
| 2026-04-15 | Mikisew Cree First Nation | Environment; Aboriginal Affairs; Federal-Provincial Relations; Natural Resources |
| 2026-04-15 | Climate Caucus Council | Climate; Municipalities |
| 2026-04-14 | ELECTRICITY CANADA | Energy; Industry; Infrastructure; International Trade; Economic Development |
| 2026-04-14 | Fortis Inc. | Energy; Environment; Economic Development; Natural Resources |
| 2026-03-10 | Prosper Canada | Taxation and Finance |
| 2026-02-24 | Canadian Association of Petroleum Producers | Energy; Environment; Industry; International Relations; Taxation and Finance |
| 2026-02-17 | Elder Abuse Prevention Ontario (EAPO) | Justice and Law Enforcement |
| 2026-02-10 | Energy NL | Energy; Taxation and Finance; Budget; Natural Resources |
| 2026-02-09 | Office Of Religious Congregations For Integral Ecology | Energy; Environment; Climate; Natural Resources |
| 2026-01-08 | Public Service Alliance of Canada | Government Procurement; Labour |
| 2026-01-06 | Canada's National Firearms Association | Justice and Law Enforcement |
| 2025-12-09 | Canadian Coalition for Firearm Rights | Justice and Law Enforcement; National Security/Security |
| 2025-12-01 | Environmental Defense Fund | Employment and Training; Energy; Environment; Aboriginal Affairs; International Relations |
| 2025-12-01 | Environmental Defense fund | Environment |
| 2025-11-25 | International Union of Operating Engineers | Employment and Training; Energy; Environment; Health; Infrastructure |
| 2025-11-25 | K+S Potash Canada GP | Energy; Environment; International Trade; Mining; Taxation and Finance |
| 2025-11-25 | Fertilizer Canada | Environment; Industry; Internal Trade; International Trade; Mining |
| 2025-11-25 | Canpotex Limited | International Trade; Transportation |
| 2025-11-25 | Fruit & Vegetable Growers of Canada | Environment; Internal Trade; International Relations; International Trade; Labour |
| 2025-11-25 | Canadian Labour Congress | Taxation and Finance |
| 2025-11-20 | Canadian Propane Association | Energy; Environment; Agriculture; Taxation and Finance; Transportation |