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
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.
I was aware of the company when I was still living in Lisbon, a few decades ago.
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
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.