The Antique Automobile Club of America is an international organization with members in all 50 states and in more than 50 countries of the world. The Constitution and By-Laws of the AACA form the basis for the organization and operation of the Club. The AACA is incorporated under the provisions of the Nonprofit Corporation Code of the Commonwealth of Pennsylvania with a business office located at 501 West Governor Road, P.O. Box 417, Hershey, Pennsylvania 17033-0417.

There are over 400 AACA Regions and Chapters. These groups provide local activities and represent AACA in their areas.