- Action on Smoking and Health (ASH)
- Advocates for Highway and Auto Safety (Advocates)
- AIDS Action (AAC)
- Air Line Pilots Association, International (ALPA)
- American Association of Health Plans (AAHP)
- American Association of Retired Persons (AARP)
- American Bankers Association (ABA)
- American Bar Association (ABA)
- American Civil Liberties Union (ACLU)
- American Conservative Union (ACU)
- American Dental Association (ADA)
- American Family Association (AFA)
- American Farm Bureau Federation (AFBF)
- American Federation of Government Employees (AFGE)
- American Federation of Labor-Congress of Industrial Organizations (AFL-CIO)
- American Federation of State, County and Municipal Employees (AFSCME)
- American Federation of Teachers (AFT)
- American Foundation for AIDS Research (AmFAR)
- American Health Care Association (AHCA)
- American Hospital Association (AHA)
- American Indian Movement (AIM)
- American Institute of Certified Public Accountants (AICPA)
- American Israel Public Affairs Committee (AIPAC)
- American Jewish Congress (AJCongress)
- American Legion
- American Library Association (ALA)
- American Medical Association (AMA)
- American Nurses Association (ANA)
- American Society for the Prevention of Cruelty to Animals (ASPCA)
- American Veterans of World War II, Korea and Vietnam (AMVETS)
