- American Lung Association
- American College of Chest Physicians
( American College of Chest Physicians)
- Cardiopulmonary health and critical care information, including cme, publications, policy statments, and public information.
- American Thoracic Society
(American Thoracic Society)
- The medical branch of the American Lung Association, includes public, membership, research, press releases, and meeting information.
- American Association of Cardiovascular and Pulmonary Rehabilitation
- Alpha-1 Foundation
- American Academy of Allergy Asthma & Immunology
- This professional organization provides information for both its members, other interested professionals and consumers. Items of interest conclude pollen counts and "The Allergy Report" which provides science-based findings relating to the diagnosis and treatment of allergic disorders.
- American Association for Respiratory Care
- American Association for Thoracic Surgery
- National Association for Medical Directors for Respiratory Care
- National Board for Respiratory Care
- Pulmonary Pathology Society
- Sleep Research Society
- Society of Critical Care Medicine
- Society of Thoracic Surgeons, The
- Weil Institute of Critical Care Medicine
- Society of Thoracic Radiology