- American Bus Association
 - Represents motorcoach and tour companies in the U.S. and Canada. Members operate charter, tour, regular route, and contract services. - American Transit Services Council
- Encourages transit agencies and state and local governments to let public, nonprofit, and private providers compete for transit contracts.
- Buses International Association
- Organization of persons who are professionally involved in the management of companies or organizations that operate or manufacture buses.
- Commercial Vehicle Safety Alliance
- Dedicated to improving motor carrier, driver, vehicle, and cargo safety standards, compliance, education, and enforcement.
- Motor Bus Society
- Collects and publishes information about the history and development of the bus industry.
- United Motorcoach Association
- Represents bus and motorcoach manufacturers, suppliers, and related businesses.
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