From what Forth, Inc. and MPE tell about their projects and customers, it seems indeed to be micro-controller focused, but extends sometimes to the desktop. For

From what Forth, Inc. and MPE tell about their projects and customers, it seems indeed to be micro-controller focused, but extends sometimes to the desktop. For instance Forth, Inc. talked about a cold storage facility ("a fridge as big as a warehouse") for which they did both the code for the small temperature control devices and the facility monitoring graphical front-end (PC).