OSTraining http://drupal.org/node/1310034

OSTraining teaches more people to use Drupal than almost any other company.

Over 40,000 people studied with us online. We have many Drupal video course, including a new Course on Layout Builder!

Need more bone-fides?

1. We've provided On-Site Drupal Training for large organizations such as Pfizer, plus the Departments of Energy, Education and Commerce.
2. Books: We've published Drupal Explained, the best-selling and best-reviewed Drupal book.

Founded the Drupal User Group in Atlanta.

Taught classes at DrupalCons in Chicago, London, Denver, Portland, Prague, Austin and Los Angeles.

Presented at, taught at, and sponsored numerous DrupalCamps.