A pretty sizable amount of code that I wind up writing day-to-day for scripting various small actions ends up being done in Bourne shell. Say what you will about it, but it does get the job done. Also, if you exercise some discipline, it's maintainable.
Outside of that, we have a lot of C, C++, Java, Ruby, and Python.
Primarily using Javascript with .NET here. More specifically Rob Eisenberg's new framework and Durandal successor: Aurelia. Before that it was AngularJS. We are looking into Node.js for API stuff as well, so still Javascript.
Outside of that, we have a lot of C, C++, Java, Ruby, and Python.