Someone please downvote the post I'm responding to. The one above that is a troll as well, please don't feed him. It doesn't matter where Lisp is used, someone will always come out and say "...but it's only useful for a narrow domain no one cares about!"

http://www.franz.com/success/ http://www.lispworks.com/success-stories/index.html http://www.digitool.com/customers.html http://wiki.alu.org/Success%20Stories

And that's only Common Lisp