I have experimented with Lisp (actually Scheme) and found it to be a very beautiful language that I am interested in learning more about. However, it appears that Lisp is n
Matthew Eric Bassett on using Racket in the film industry: http://www.youtube.com/watch?v=37owCjWnkK0
Daniel Liebgold on Racket and PS3: http://www.youtube.com/watch?v=oSmqbnhHp1c
The story of the rise and fall of Lisp at the Jet Propulsion Lab
Look up ACL2. It's a lisp based formal logic engine that has been used for a number of "real world" project like formal methods in software security and proofs of correctness for Floating point hardware.
Google App Inventor is written in Scheme
I believe Autocad has extensions that use Lisp to extend the product. See AutoLISP.
ITA software uses a fair amount of CL.
http://www.itasoftware.com/careers/l_e_t_lisp.html?catid=8