Follow
The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 146,000 members, including scientists, educators, clinicians, consultants, and students. It has 54 divisions—interest groups for different subspecialties of psychology or topical areas. The APA has an annual budget of around $125 million.
https://en.wikipedia.org/wiki/American_Psychological_Association