1. symbolics.com: made Lisp machines http://en.wikipedia.org/wiki/Symbolics
2. bbn.com: BBN made BBN Lisp for the PDP-1: http://www.softwarepreservation.org/projects/LISP/index.html...
3. think.com: homepage of Thinking Machines Incorporated, the company that made lisp http://en.wikipedia.org/wiki/*Lisp
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5. dec.com: Digital Equipment Corporation (which got bought by compaq, which was bought by HP) made PDP microcomputers. The first interactive lisp was implemented on the PDP-1 in 1963 by Peter Deutsch http://www-formal.stanford.edu/jmc/history/lisp/node5.html
6. northrop.com: northrop is still using lisp http://www.international-lisp-conference.org/2005/speakers.h...
7. xerox.com: xerox made the Xerox Lisp Machines http://www.andromeda.com/people/ddyer/lisp/
8. sri.com: SRI is still using lisp http://www.franz.com/success/customer_apps/it_management/sri...
9. hp.com: HP can be tied to lisp... but more strongly to keven bacon... http://www.hpl.hp.com/techreports/90/HPL-90-213.html
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