The American Institute of Certified Public Accountants (AICPA) is the national professional organization of Certified Public Accountants (CPAs) in the United States, with more than 428,000 members in 130 countries. Founded in 1887 as the American Association of Public Accountants (AAPA), the organization sets ethical standards and U.S. auditing standards. It also develops and grades the Uniform CPA Examination. AICPA is headquartered in Durham, North Carolina, and maintains additional offices in New York City, Washington, D.C., and Ewing, New Jersey.