The American Society for Microbiology is the oldest and largest single life science membership organization in the world. Membership has grown from 59 scientists in 1899 to more than 39,000 members today, with more than one third located outside the United States. The members represent 26 disciplines of microbiological specialization plus a division for microbiology educators. Eligibility for full...

The American Statistical Association is the world’s largest community of statisticians. The ASA supports excellence in the development, application, and dissemination of statistical science through meetings, publications, membership services, education, accreditation, and advocacy. Our members serve in industry, government, and academia in more than 90 countries, advancing research and promoting sound statistical practice to inform public policy and improve...

American Society for Clinical Pharmacology and Therapeutics The American Society for Clinical Pharmacology and Therapeutics (ASCPT) was founded in 1900, and consists of over 2,100 professionals committed to promoting and advancing the science and practice of human pharmacology and therapeutics for the benefit of patients and society. The Society is the largest scientific and professional organization serving the discipline...

The Association of Science-Technology Centers (ASTC) is a 501(c)3 nonprofit organization of science centers and museums dedicated to furthering public engagement with science among increasingly diverse audiences. ASTC encourages excellence and innovation in informal science learning by serving and linking its members worldwide and advancing their common goals.

For more than 70 years, the American Institute of Aeronautics and Astronautics has been the principal society of the aerospace engineer and scientist. But we haven’t always been AIAA, or even one organization. In 1963, the two great aerospace societies of the day merged. The American Rocket Society and the Institute of Aerospace Science* joined to become AIAA. Both...

AIBS builds community in support of researchers, educators, and scientists who understand the importance of sharing biological discovery and knowledge. In creating EDUCATION RESOURCES, monitoring PUBLIC POLICY, providing PEER REVIEW of scientific applications, programs, and scientific literature, PUBLISHING timely biological sciences information, and implementing dynamic PUBLIC OUTREACH PROGRAMS, we are ensuring the future of the biological sciences.

The purpose of the American Geophysical Union (AGU) is to promote discovery in Earth and space science for the benefit of humanity. The American Geophysical Union is a leader, collaborator and sought out partner for scientific innovation, rigor and interdisciplinary focus on global issues. AGU has provided almost a century of support and services to the scientific community. AGU...

The American Astronomical Society (AAS) is the major organization of professional astronomers in North America. The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe

“Triple A-S” (AAAS), is an international non-profit organization dedicated to advancing science around the world by serving as an educator, leader, spokesperson and professional association. In addition to organizing membership activities, AAAS publishes the journal Science, as well as many scientific newsletters, books and reports, and spearheads programs that raise the bar of understanding for science worldwide.Founded in 1848,...

The Aerospace Industries Association of America, Inc. shapes public policy that ensures the U.S. aerospace, defense, and homeland security industry remains preeminent and that its members are successful and profitable in a changing global market. Today, more than 300 major aerospace and defense companies and their suppliers are members of the association, embodying every high-technology manufacturing segment of the...