Thought I'd try to run down where Monroe shocks are made. Not easy to tell. Monroe is an American brand (sorry for the pun GFRR fans) and is a subsidiary of Tenneco. Tenneco owns Walker, Clevite, DynoMax, Thrush, and a few other brands as well. (2)
While searching around I found a video that, while it doesn't answer the question, does show and tell how Monroe makes shocks. I knew about the components of an automotive shock absorber, but had never understood how it was put together. (1)