| 1 | Greater Toronto Airports Authority | Health; Infrastructure; Taxation and Finance; Transportation; Economic Development | 20 |
| 2 | York University | Employment and Training; Health; Immigration; Regional Development; Education | 17 |
| 3 | Canadian Medical Association | Health; Infrastructure; Transportation | 13 |
| 4 | Research Canada: An Alliance for Health Discovery / Recherche Canada : Une alliance pour les d�couvertes en sant� | Other; Health; Science and Technology; Research and Development; Education | 13 |
| 5 | TELUS Corporation | Telecommunications; Industry; Broadcasting; Consumer Issues | 12 |
| 6 | Amyotrophic Lateral Sclerosis Society of Canada | Health; Industry; Science and Technology; Budget; Research and Development | 11 |
| 7 | CANADIAN CONSUMER SPECIALTY PRODUCTS ASSOCIATION | Environment; Health; Industry | 11 |
| 8 | EVANGELICAL FELLOWSHIP OF CANADA | Health; Justice and Law Enforcement; Constitutional Issues | 10 |
| 9 | Dairy Farmers of Ontario | Environment; Health; Industry; International Trade; Agriculture | 10 |
| 10 | Canadian Vehicle Manufacturers' Association | Industry; Transportation | 9 |
| 11 | Canadian Federation of Independent Business (CFIB) | Telecommunications; Financial Institutions; Immigration; Labour; Small Business | 9 |
| 12 | Alliance of Manufacturers & Exporters Canada (CME) | Employment and Training; Energy; Environment; Industry; Infrastructure | 9 |
| 13 | Canadian Association of Optometrists | Health; Aboriginal Affairs; Taxation and Finance; Education | 9 |
| 14 | MS Canada | Employment and Training; Health; Science and Technology; Taxation and Finance; Budget | 8 |
| 15 | Canadian Canola Growers Association | Environment; International Trade; Agriculture; Transportation; Economic Development | 8 |
| 16 | Air Transport Association of Canada (ATAC) | Employment and Training; Labour; Small Business; Transportation; Economic Development | 8 |
| 17 | Nova Oculus Partners LLC | Health; Science and Technology; Research and Development | 8 |
| 18 | The Centre for Israel and Jewish Affairs | International Relations; Justice and Law Enforcement; International Development; National Security/Security; Religion | 7 |
| 19 | Mechanical Contractors Association of Canada | Government Procurement; Industry; Budget; Economic Development | 7 |
| 20 | CANADIAN CANCER SOCIETY | Health; Budget | 7 |