Below is a partial list of some companies using Clojure or ClojureScript. Most of this information comes from direct contacts, presentations, or other online resources. If you would like to be added or removed from this list, please contact alex.miller@cognitect.com.
Braintree Payments (acquired by PayPal)
cardforcoin and Fold
Climate Corp (acquired by Monsanto)
RoomKey - see case study
ThoughtWorks - IOOF (and others)
ThreatGRID (acquired by Cisco)