- AARP
- AFL-CIO
- Agency for Healthcare Research and Quality
- Alliance for Health Reform
- American Hospital Association
- American Medical Association
- American Nurses Association
- Association of State and Territorial Health Officials
- Business Roundtable
- Center for Health Care Strategies
- Center for Studying Health System Change
- Families USA
- Healthcare Financing Administration
- Heritage Foundation
- Institute for Health Policy Solutions
- Georgetown University Institute for Health Research and Policy
- Institute of Medicine
- Kaiser Family Foundation
- Kaiser Family Foundation State Health Facts
- National Academy for State Health Policy
- National Academy of Social Insurance
- National Association of State Budget Officers
- National Business Coalition on Health
- National Committee for Quality Assurance
- National Conference of State Legislatures
- National Governors Association
- National Health Law Program
- National Health Policy Forum
- National Institute for Health Care Management
- National Rural Health Association
- Robert Wood Johnson (RWJ) Foundation
- RWJ Cover the Uninsured Week 2005
- State Action.org
- State Health Agencies Web sites
- Stateline.org
- The Commonwealth Fund
- The Employee Benefit Research Institute
- The Urban Institute
- US Chamber of Commerce