The Ninety-Nines, Inc., is an international organization of licensed women pilots from 35 countries – we currently have over 5,500 members throughout the world. We are a non-profit, charitable membership corporation holding 501(c)(3) U.S. tax status. Our International Headquarters is located in Oklahoma City, Oklahoma. Although there are other female pilot organizations in various states and nations, virtually all women of achievement in aviation have been or are members of The Ninety-Nines.