• Advanced Transit Association (ATRA)

    The Advanced Transit Association (ATRA) is an international association of active and retired transportation professionals, engineers, architects, urban planners, students, educators, and enthusiasts that promote the consideration of advanced transit options. ATRA is a diverse group of people brought together by the common realization that the transportation systems of the past can not meet the transportation needs of the future, or even the present. As non-profit corporation, ATRA’s purpose is to encourage the development and deployment of advanced transportation systems that will benefit society. Membership is open to anyone who is willing to take a fresh look at new ways to meet mobility needs.
  • Aero Club of Southern California (ACSC)

    The Aero Club of Southern California (ACSC) traces its roots to the mid-1920s, when it was formed as the local chapter of the National Aeronautic Association. Membership in ACSC today is open to everyone who has an interest in aviation and space: history, air and space technology, new developments, education, research, manufacturing, military flying, general aviation, commercial air transport and every other aspect of flight. Everyone who joins the ACSC also becomes a member of the National Aeronautic Association, based in Washington, D.C., which is in turn the U.S. affiliate of the worldwide Federation Aeronautique Internationale, headquartered in Paris. The NAA and the FAI are the official certification agencies for all types of records set in aviation, from balloon flights to airplane records for speed, altitude or endurance.
  • Aeronautical Repair Station Association (ARSA)

    The Aeronautical Repair Station Association (ARSA) is the only association devoted to the unique needs of the $58 billion worldwide civil aviation maintenance industry. The Association is dedicated to helping its more than 400 member companies run their operations more efficiently and effectively, while continuing to ensure the safety of aircraft worldwide.
  • Aerospace Medical Association (AsMA)

    The Aerospace Medical Association (AsMA) is organized exclusively for charitable, educational, and scientific purposes. It is the largest, most-representative professional membership organization in the fields of aerospace medicine and human performance. AsMA is an umbrella group providing a forum for many different disciplines to come together and share their expertise for the benefit of all persons involved in air and space travel. The Association has provided its expertise to a multitude of Federal and international agencies on a broad range of issues, including aviation and space medical standards, the aging pilot, and physiological stresses of flight. AsMA's membership includes aerospace medicine specialists, flight nurses, physiologists, psychologists, human factors specialists, physician assistants, and researchers in this field. Most are with industry, civil aviation regulatory agencies, departments of defense and military services, the airlines, space programs, and universities. Approximately 30% of the membership originates from outside the USA. Through the efforts of the AsMA members, safety in flight and man's overall adaptation to adverse environments have been more nearly achieved. The Aerospace Medical Association is an umbrella group providing a forum for many different disciplines to come together and share their expertise. The Association has provided its expertise to a multitude of Federal and international agencies on a broad range of issues including aviation and space medical standards, the aging pilot, and physiological stresses of flight. AsMA's membership includes aerospace medicine specialists, flight nurses, physiologists, psychologists, human factors specialists, and researchers in this field. Most are with industry, civil aviation regulatory agencies, departments of defense and military services, the airlines, space programs, and universities. Approximately 25% of the membership is international.
  • Air Medical Operators Association (AMOA)

    The Air Medical Operators Association (AMOA) is a non-profit association representing Part 135 Certificate Holders engaged in emergency medical services. AMOA was officially incorporated in February 2009, but many members initially joined in 2000 as the EMS Executive Operators Forum. The mission of AMOA is to ensure safe air medical transportation through a voluntary landmark commitment by the industry to leverage best safety practices, implement available technologies, and follow stringent procedures guiding flight decisions
  • Air Medical Physician Association (AMPA)

    The Air Medical Physician Association (AMPA) is the largest professional organization of physicians dedicated to rotor wing (helicopter), fixed wing (airplane) and critical care ground transport. With over 400 members nationally and internationally the Association represents extensive expertise in the field of medical transport. Members represent many medical specialties including Emergency Medicine, Critical Care Medicine, Internal Medicine, Pediatrics, and various Surgical Subspecialties. The Air Medical Physician Association is an international organization committed to patient-focused, quality critical care transport medicine by promoting excellence in medical direction, research, education, safety, leadership and collaboration.
  • Air & Surface Transport Nurses Association (ASTNA)

    The Association of Air & Surface Transport Nurses (ASTNA) is the dominant and leading body representing transport nurses across the globe. ASTNA is a nonprofit member organization whose mission is to advance the practice of transport nursing and enhance the quality of patient care through commitment to safety and education.
  • Air Traffic Control Association (ATCA)

    An independent, non-profit organization, ATCA is dedicated to the following objectives: Promoting, maintaining and enhancing the stature and well being of the Air Traffic Control profession and the aviation community. Developing and disseminating knowledge of the control of air traffic in all its phases and applications.
  • Airborne Law Enforcement Association (ALE)

    The Airborne Law Enforcement Association (ALEA) is a non-profit educational, individual membership organization, founded in 1968 to support and encourage the use of aircraft in public safety. Over 3,500 members strong from the international to the local level.
  • Aircraft Electronics Association (AEA)

    Founded in 1957, the Aircraft Electronics Association (AEA) represents more than 1,300 aviation businesses, including repair stations that specialize in maintenance, repair and installation of avionics and electronic systems in general aviation aircraft. AEA membership also includes instruments facilities, manufacturers of avionics equipment, instrument manufacturers, airframe manufacturers, test equipment manufacturers, major distributors, and educational institutions.
  • Aircraft Owners and Pilots Association (AOPA)

    With a membership base of more than 400,000 pilots and aviation enthusiasts in the United States, AOPA is the largest, most influential aviation association in the world. AOPA has achieved its prominent position through effective advocacy, enlightened leadership, technical competence, and hard work. Providing member services that range from representation at the federal, state, and local levels to legal services, advice, and other assistance, AOPA has built a service organization that far exceeds any other in the aviation community.
  • Aircraft Maintenance Professionals Society (AMT Society)

    The Aircraft Maintenance Professionals Society (AMTSociety) was formed in 2005 to provide a community for the aircraft maintenance industry. The association's goal is to actively promote and protect the professional aircraft maintenance technician's craft and profession, enhance the future of the profession and to provide resources and benefits to members. Currently there are approximately 2,500 including technicians, maintenance managers and directors, engineers, students, instructors, and more.
  • Aircraft Rescue & Fire Fighting Working Group (ARFFWG)

    The Aircraft Rescue & Fire Fighting Working Group (ARFFWG) is a non-profit international organization dedicated to the sharing of Aircraft Rescue &Fire Fighting (ARFF) information between airport firefighters, municipal fire departments, and all others concerned with aircraft fire fighting. Membership participation is from around the world,
  • Airline Dispatchers Federation (ADF)

    The Airline Dispatchers Federation is the only national organization representing the professional interests of the dispatch profession. ADF's constituency is comprised of licensed aircraft dispatchers and operational control professionals from 100 aerospace companies including every major U.S. airline. ADF's membership at the end of 2009 stood at 1500 members. It has been estimated that approximate 92% of airline passengers traveling each day in the United States, do so under the watchful eye of ADF members.
  • Airline Pilots Association International (ALPA)

    The Air Line Pilots Association, International (ALPA) is the largest airline pilot union in the world and represents more than 53,000 pilots at 39 U.S. and Canadian airlines. Founded in 1931, the Association is chartered by the AFL-CIO and the Canadian Labour Congress. Known internationally as US-ALPA, it is a member of the International Federation of Air Line Pilot Associations.
  • Airlines for America (A4A)

    Founded in 1936, the Air Transport Association of America, Inc. (ATA) is the nation's oldest and largest airline trade association. The association's fundamental purpose is to foster a business and regulatory environment that ensures safe and secure air transportation and enables U.S. airlines to flourish, stimulating economic growth locally, nationally and internationally.
  • Airport Ground Transportation Association (AGTA)

    The Airport Ground Transportation Association (AGTA) is an association of ground transportation operators, airport authorities, and industry suppliers dedicated to the continuous improvement of aiport ground transportation services for the airline traveling public.
  • AirVenture (EAA)

    For 51 weeks a year, EAA is an international community of more than 160,000 members that nurtures the spirit of flight through a worldwide network of chapters, outreach programs, and other events. But for one week each summer, EAA members and aviation enthusiasts totaling more than 500,000 from more than 60 countries attend EAA AirVenture at Wittman Regional Airport in Oshkosh, Wisconsin, where they rekindle friendships and celebrate the past, present and future in the world of flight.
  • American Association of Airport Executives (AAAE)

    Founded in 1928, the American Association of Airport Executives (AAAE) is the world's largest professional organization for airport executives, representing thousands of airport management personnel at public-use commercial and general aviation airports.
  • American Association of Airport Executives, Southwest Chapter (SWAAAE)

    Since its founding in 1947, the purpose of the American Association of Airport Executives has been to bring together all persons representing public use airports as well as persons interested in and working for the benefit of aviation.
  • American Association of Motor Vehicle Administrators (AAMVA)

    The American Association of Motor Vehicle Administrators (AAMVA) is a tax-exempt, nonprofit organization developing model programs in motor vehicle administration, law enforcement and highway safety. The association also serves as an information clearinghouse in these areas, and acts as the international spokesman for these interests.
  • American Association of State Highway and Transportation Officials (AASHTO)

    The American Association of State Highway and Transportations Officials (AASHTO) is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and maintenance of an integrated national transportation system. As the voice of transportation, AASHTO works to educate the public and key decision makers about the critical role that transportation plays in securing a good quality of life and sound economy for our nation.
  • American Astronautical Society (AAS)

    Formed in 1954, the American Astronautical Society (AAS) is the premier independent scientific and technical group in the United States exclusively dedicated to the advancement of space science and exploration.
  • American Astronomical Society (AAS)

    The American Astronomical Society (AAS), established 1899, is the major organization of professional astronomers in North America. The membership also includes physicists, mathematicians, geologists, engineers and others whose research interests lie within the broad spectrum of subjects now comprising contemporary astronomy.
  • American Bus Association (ABA)

    Founded in 1926, the American Bus Association (ABA) represents motorcoach operators, tour operators, travel industry members and manufacturers and suppliers of bus products and services. As the industry leader, ABA advances North American motorcoach travel to fulfill the transportation and travel needs of the public.