| 2026-06-23 | Carleton University | Employment and Training; Environment; Government Procurement; Infrastructure; Intellectual Property |
| 2026-06-22 | Queen's University | Infrastructure; Regional Development; Tourism; Transportation; Economic Development |
| 2026-06-12 | Canadian Association of Professional Employees | Employment and Training; Government Procurement; Labour; Transportation; Budget |
| 2026-06-08 | Canadian Wildlife Federation | Environment; Fisheries |
| 2026-05-29 | SpaceX Canada Corp. | Telecommunications; Industry; Infrastructure; Science and Technology; Economic Development |
| 2026-05-29 | Space Exploration Technologies Company (SpaceX) | Telecommunications; Industry; Infrastructure; Science and Technology; Economic Development |
| 2026-05-07 | Atlas Institute for Veterans and Families | Employment and Training; Health; Aboriginal Affairs; Federal-Provincial Relations; Defence |
| 2026-04-23 | Canadian Canola Growers Association | Environment; International Trade; Agriculture; Economic Development |
| 2026-04-21 | Chicken Farmers of Canada | International Trade; Labour; Agriculture |
| 2026-04-21 | Youth Climate Corps BC | Employment and Training; Energy; Environment; Government Procurement; Aboriginal Affairs |
| 2026-04-17 | Allen Vanguard Corporation | Government Procurement; Industry; International Trade; Science and Technology; National Security/Security |
| 2026-04-15 | Climate Action Network Canada | Energy; Environment; Health; Budget; Climate |
| 2026-04-14 | ELECTRICITY CANADA | Environment |
| 2026-04-14 | Canada Organic Trade Association | International Trade; Agriculture; Budget; Federal-Provincial Relations |
| 2026-04-13 | The Professional Institute for the Public Service of Canada | Employment and Training; Environment; Fisheries; Government Procurement; Health |
| 2026-03-23 | Unifor | Employment and Training; Industry; International Trade; Labour; Economic Development |
| 2026-03-19 | Allen Vanguard Corporation | Government Procurement; Industry; International Trade; Science and Technology; National Security/Security |
| 2026-03-11 | Unknown | Employment and Training; Forestry; Health; Immigration; Industry |
| 2026-03-10 | National Council of Canadian Muslims (NCCM) | Religion; Constitutional Issues |
| 2026-03-09 | Environmental Defence Canada | Environment; Industry; Taxation and Finance; Climate; Economic Development |
| 2026-03-04 | Ontario Power Generation Inc. | Energy; Aboriginal Affairs; Economic Development |
| 2026-03-02 | Multivesco | Government Procurement; Infrastructure; National Security/Security; Defence |
| 2026-03-02 | Canadian Federation of Independent Business (CFIB) | Government Procurement; Internal Trade; Small Business; Taxation and Finance; Budget |
| 2026-02-27 | CBC Pensioners National Association | Taxation and Finance; Pensions; Arts and Culture; Broadcasting |
| 2026-02-26 | TekSavvy Solutions Inc. | Telecommunications; Consumer Issues |
| 2026-02-19 | Ottawa Riverkeeper | Environment; Fisheries; Regional Development; Science and Technology; Climate |
| 2026-02-18 | Public Service Alliance of Canada | Employment and Training; Labour; Budget |
| 2026-02-11 | INSURANCE BUREAU OF CANADA/BUREAU D'ASSURANCE DU CANADA | Financial Institutions; Health; Infrastructure; Climate; Housing |
| 2026-02-09 | Office Of Religious Congregations For Integral Ecology | Energy; Environment; Climate; Natural Resources |
| 2026-02-09 | Canadian Association of Professional Employees | Employment and Training; Government Procurement; Labour; Transportation; Budget |
| 2026-02-08 | Citizens' Climate Lobby Canada | National Security/Security |
| 2026-02-06 | Animal Justice | International Trade; Agriculture; Animal Welfare |
| 2026-02-03 | Dairy Farmers of Ontario (DFO) | Agriculture |
| 2026-02-03 | Dairy Farmers of Ontario | International Trade; Agriculture |
| 2026-01-26 | National Council of Canadian Muslims (NCCM) | Justice and Law Enforcement; National Security/Security; Religion; Foreign Affairs; Constitutional Issues |
| 2026-01-13 | Tactiql | Government Procurement; Industry; Science and Technology; National Security/Security; Research and Development |
| 2025-11-25 | Canadian Labour Congress | Taxation and Finance |
| 2025-11-25 | Canadian Produce Marketing Association | Employment and Training; Immigration; Industry; Internal Trade; International Relations |
| 2025-11-25 | Association of Canadian Publishers | Intellectual Property; Arts and Culture |
| 2025-11-20 | Tactiql | Government Procurement; Industry; Science and Technology; National Security/Security; Research and Development |
| 2025-11-18 | Canadian Construction Association | Employment and Training; Energy; Environment; Government Procurement; Immigration |
| 2025-11-18 | Public Service Alliance of Canada | Government Procurement; Labour; Budget |
| 2025-11-14 | Environmental Defence Canada | Climate; Consumer Issues |
| 2025-11-13 | The Professional Institute for the Public Service of Canada | Employment and Training; Environment; Fisheries; Government Procurement; Health |
| 2025-11-04 | Habitat for Humanity Canada | Taxation and Finance; Housing |
| 2025-10-30 | ELECTRICITY CANADA | Energy; Environment; Industry; Infrastructure; Taxation and Finance |
| 2025-10-29 | FEDERATION OF CANADIAN MUNICIPALITIES | Infrastructure; Taxation and Finance; Municipalities |
| 2025-10-29 | Federation of Canadian Municipalities | Infrastructure; Taxation and Finance; Municipalities |
| 2025-10-28 | Alliance of Canadian Land Trusts | Environment; Budget |