Yes, people do build anything with Lisp, that is why there are at least two commercial Common Lisp systems around, LispWorks and Allegro Common Lisp. Google Fl

Yes, people do build anything with Lisp, that is why there are at least two commercial Common Lisp systems around, LispWorks and Allegro Common Lisp. Google Flights is an acquisition of a company using Lisp, ITA Software, they even have a Lisp guide. https://google.github.io/styleguide/lispguide.xml https://google.github.io/styleguide/lispguide.xml In Portugal, Siscog used to be a Lisp shop, no idea nowadays. Then you have the Clojure based companies, where Datomic and Nubank are two well known ones, even if not a proper Lisp, still belongs to the same linage.