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

For upcoming Trainings check Events section and Global Training Days.

WELLNET S.r.l.

We are the Italian leader in Drupal training, we train more than 100 people per year with big general satisfaction.
We train Public Administration companies, large enterprises and also medium web agency or freelancers.
Our teachers are all Drupal developers and we bring in the classroom concrete case studies and working experience.

We also do "training on the job...

http://www.corsidrupal.it/