Then change the ZIP to the closest large city to your location and see what's around. Once you know where they are, you can contact them and see if they'd be willing to help, maybe even through email tunes so you don't have to make a bunch of trips back and forth.
Also, concerning Speedy Dyno, I've spoken with a couple of people close to Greg@ Speedy, and they both said that the business is still going strong. They've recently joined up with a local Ford dealer, and I think they moved locations, but it sounds like they're still around.