American Nurses Association, Silver Spring, MD

The American Nurses Association is the only full-service professional organization representing the nation's 2.9 million registered nurses (RNs) through its 54 constituent member associations. The ANA advances the nursing profession by fostering high standards of nursing practice, promoting the economic and general welfare of nurses in the workplace, projecting a positive and realistic view of nursing, and by lobbying the Congress and regulatory agencies on health care issues affecting nurses and the public.