American Bus Association
Self Description from Website:
ABA represents approximately 1,000 motorcoach and tour companies in the United States and Canada. Its members operate charter, tour, regular route, airport express, special operations and contract services (commuter, school, transit). Another 2,300 member organizations represent the travel and tourism industry and suppliers of bus products and services who work in partnership with the North American motorcoach industry. ABA is also home to ABA Foundation, a nonprofit organization with an emphasis on scholarships, research, and continuing education.