Extreme Parts in Racine WI is the only spot I know of in wisconsin.
I don't know how far you're willing to travel to get it done but
Driver's Image here in the north burbs of Chicago does good work. It doesn't come cheap but its all quality.
Top Speed Chicago has been mentioned on AF before but I've never been there, its on the south side of the city.
RC Autoworks is in Bridgeview, Illilois. 90blackcrx (
90blackcrx@gmail.com ) owns it or works there I guess, i don't think he's been on AF in a while. Import Evolution is on the north side of Chicago but I'm not entirely sure if they do swaps and I don't know their web address if they have one