North America

American Bus Association (ABA) - Represents approximately 950 motorcoach and tour companies in the United States and Canada.
www.buses.org

Greyhound Bus Line - Fares, schedules, and ticketing for more than 3,700 destinations across North America.
www.greyhound.com/

Laidlaw International, Inc. - Holding company for North America’s largest providers of school, public transit, and inter-city bus transportation services, including Greyhound and Laidlaw Educational and Transit divisions. Corporate news and information.
www.laidlaw.com/

Trailways. - Association of independent motorcoach companies providing public scheduled route, charter and tour transportation services in the United States and Canada.
www.trailways.com/