PA Dealership Info:
I remember Colony Chevrolet but they must be closed now because I can't find anything on them anywhere. The only listing I found was for Colony Motor Cars in Lancaster but I doubt they're the same.
Weed is still open.
http://weedchevy.com/
My truck was built in St. Louis and has a dealership bumper on it from Smith Bros. Chevrolet from some town west of Dallas, Texas. I can't think of the name at the moment.