American Academy of Allergy, Asthma and Immunology
http://www.aaaai.org/

American College of Allergy, Asthma and Immunology
http://www.acaai.org/

Allergy & Asthma Network/Mothers of Asthmatics
http://www.breatherville.org

Asthma & Allergy Foundation of America (AAFA)
http://www.aafa.org

American Latex Allergy Association (A.L.E.R.T., Inc,)
http://www.latexallergyresources.org

American Partnership for Eosinophilic Disorders (APFED)
http://www.apfed.org

Food Allergy & Anaphylaxis Network (FAAN)
http://www.foodallergy.org

Immune Deficiency Foundation (IDF)
http://www.primaryimmune.org

American Lung Association
http://www.lungusa.org

National Heart Lung and Blood Institute
http://www.nhlbi.nih.gov/

Allergy, Asthma & Immunology Online
http://www.allergy.mcg.edu/

National Jewish Medical Center: Asthma Information
http://asthma.nationaljewish.org/

United States Hereditary Angioedema Association
http://hereditaryangioedema.com

Pollen Count
http://www.pollen.com

Allergy Control Products
http://www.allergycontrol.com

Asthma Busters (Online club for kids with asthma)
http://www.asthma-busters.org

The Consortium on Children's Asthma Camps
http://www.asthmacamps.org/

National Eczema Association College
http://www.nationaleczema.org/