The following is a list of organizations that indicate they provide Drupal training services.

For upcoming Trainings check Events section and Global Training Days.

IT-Schulungen.com

IT-Schulungen.com offers more than 2.000 different trainings at 25 locations in Germany, Austria, and Switzerland. For Drupal we offer different trainings for admins, developer, and end user

In addition to trainings and consulting we also encourage regional open source communities with free training rooms(e. g. User Groups)

http://www.it-schulungen.com/seminare/ebusiness-ecommerce/drupal/index.html