Respuesta :

The Professional Ski Instructors of America - for Ski instructors
2. US Ski Coaches Association developed to certify and educate ski coaches and athletes
3. US Ski and Snowboard Association - The national governing body for Olympic skiing and Snowboarding - they provide a pathway for aspiring young athletes to develop their skills through competitions and programs that provide them with opportunities to achieve athletic success. 
4. The National Ski Patrol - voluntary organization that promotes safety in snow sports and trains and certifies volunteer ski patrollers.