The leading professional association worldwide for professionals and students involved in the audio industry. The AES serves its members, the industry and the public by stimulating and facilitating advances in the constantly changing field of audio. It encourages and disseminates new developments through annual technical meetings and exhibitions of pro audio equipment, and through the Journal of the Audio Engineering Society, the professional archival publication of the audio industry.

CAP is a nonprofit organization withover 64,000 members. It performs 95% of continental U.S. inland search and rescue missions as tasked by the Air Force Rescue Coordination Center. Volunteers also perform homeland security, disaster relief and counterdrug missions. Members take a leading role in aerospace education and serve as mentors to the almost 27,000 young people currently participating in CAP cadet programs. CAP has been performing missions for America for more than 60 years.

ASHA is the professional association for 140,000 audiologists, speech-language pathologists, and speech, language, and hearing scientists.

The premier professional society serving the nuclear industry. Online offerings include meeting information, nuclear news, publications, member services, a career center, public information, and many other resources.

The American Medical Association (AMA) helps physicians help patients by uniting physicians nationwide and medical students to work on the most important professional and public health issues.