American Association of Port Authorities references on wikipedia
American_Association_of_Port_Authorities American Association of Port Authorities (AAPA) is a trade association, founded in 1912, that represents over 150 port authority organizations throughout the Western Hemisphere. Headquartered in Alexandria, Virginia, AAPA protects and advances the common interests of its diverse members as they connect their communities with the global transportation system. Member ports vary in size, cargo and vessel types handled, operating structure and geographic service area.