Neal Stephenson is missing from this list: http://www.emacswiki.org/emacs/NealStephenson
(And on mandrake linux, according to the acknowledgements of this unpublished work: http://dreamcafe.com/wp-content/uploads/2012/10/My-Own-Kind-...)
Sprint's a real member of the EMACS family tree but I don't know about Framemaker.
I was disappointed we didn't know what kind of macros they were.
http://www.ken-jennings.com/messageboards/viewtopic.php?p=12...
That's maybe not the ideal endorsement, though. Ken is a great guy, but having the trivia champion of the world saying he is an enthusiastic Emacs user... well, it doesn't improve Emacs' reputation as an editor for lovers of the esoteric.