The Hearing Loss Association of America is the nation’s largest  organization for people with hearing loss. The Hearing Loss Association  of America exists to open the world of communication for people with  hearing loss through information, education, advocacy and support.

With more than 10,000 members, the American Academy of Audiology is  the world’s largest professional organization of, by and for audiologists

The American Speech-Language-Hearing Association (ASHA) is the  professional, scientific, and credentialing association for more than  127,000 members and affiliates who are audiologists, speech-language  pathologists, and speech, language, and hearing scientists.

The Food and Drug Administration (FDA) is an agency of the United  States Department of Health and Human Services and is responsible for  the safety regulation of most types of foods, dietary supplements,  drugs, vaccines, biological medical products, blood products, medical  devices, radiation-emitting devices, veterinary products, and cosmetics.