I've had two long guns re-blued by Mid West Gun Works and I have been thoroughly pleased - (and I am one picky gun owner). They did EXCELLENT quality work, had a reasonable 8 week turn around, and the price was fair & reasonable. The best part is they answer their phones, answer your questions, and keep you apprised as to the guns progress.
I can't deal with some of the Prima-Donna Refinishers who don't call you back, make you send in a gun and wait 16 or so months to get it back, charge you an arm and a leg for their work and are downright rude!
I do not know if MGW does Smiths but it might be worth calling them. They are pleasant, knowledgeable and for the two times I've used them I can only highly praise their work.