http://www.oti.com

Now owned by IBM, ObjectTechnologyInternational (OTI) is well known for writing VisualAge for Smalltalk, VisualAge for Java, and ENVY. It was founded by DaveThomas of CarletonUniversity in the early eighties to do magic things with SmallTalk. ErichGamma, of the GangOfFour, works there at the Zurich campus.
Indeed, OTI currently has six campuses: the flagship at Ottawa, Amsterdam, Zurich, Phoenix, Minneapolis and Raleigh.