OSU's Extension Service has long used Drupal to help manage the web presence of all of its outposts and many of it's volunteer organizations such...
OSU has been with Drupal since early on, starting with Drupal 4. Many of our production sites, all throughout our various networks, have been upgraded through several major versions. Currently most of our sites are using Drupal 6 with a few early adopters on Drupal 7.
Our university has a centralized version of Drupal that is distributed and maintained by Central Web Services, with design support from Web Communications, but we also have several different organizations that run their own flavor of Drupal, including:
It's our belief that, as whole, we all stand to benefit from the shared experiences of all of our groups. Therefore, in the true spirit of Open Source, it's our mission to collaborate, improve, and innovate upon the use of Drupal, in its various forms, across our campus.
If you're an OSU Drupal developer, architect, or site manager, you may be interested in visiting our collaborative community site at http://community.drupal.oregonstate.edu - all you need is an ONID. We look forward to seeing you!