AFL-CIO

The AFL-CIO is a federation of 60 national and international labor unions representing 12.5 million workers. It serves as the political voice of organ...

AICPA

AICPA is the national professional organization for CPAs in the United States, representing ~431,000 members (66% of licensed CPAs). Unlike ABA or AMA...

American Bar Association

The ABA is the largest voluntary professional association for lawyers in the United States, founded 1878. Despite representing only 12-15% of American...

American Medical Association

The AMA is the largest professional association of physicians in the United States - but only 15% of U.S. doctors are actually members (down from 75%...

American Psychological Association

APA is the largest scientific and professional organization of psychologists in the United States with 133,000+ members. It holds exclusive federal ac...

CFA Institute

CFA Institute administers the Chartered Financial Analyst designation, the 'gold standard' credential for investment professionals. With 200,000+ char...

IEEE

IEEE is the world's largest technical professional organization with 485,000+ members, dominating standards for networking (WiFi 802.11, Ethernet 802....

International Organization for Standardization

Internet Corporation for Assigned Names and Numbers

PhRMA

PhRMA is the lobbying arm of the pharmaceutical industry, representing 31 major drug manufacturers. It has spent over $551 million on lobbying since 1...

U.S. Chamber of Commerce

The U.S. Chamber of Commerce is the world's largest business lobbying organization, spending more on lobbying than any other entity in America. From 1...