Dassault Systemes is a leader in the Product Lifecycle Management (PLM) space. Recently, Dassault completed a proof of concept OBA for use in aircraft maintenance to improve overall efficiency and cross-team collaboration.  You can read more details about it in the case study. 

http://www.microsoft.com/casestudies/casestudy.aspx?casestudyid=201097

 Their use of 3-D mockups for ease of navigation and contextual data view is definitely cool! You can see an animated recording via the following link.

http://www.3ds.com/news-events/spotlights/microsoft-dassault-systemes-vista-launch/success-story/

- Khawar