Just added some Ohio shops. So, it looks like it may pay to sign up and wait for them to get to your area.. Their US shops that I have seen tend to be in large cities. However, other forum members may know about others.
Based in MD, near DC
Shopping from the Carolinas to New York
Have video cam; will travel
Poor customer service? Don't get mad; get video.
Post deleted for naming Client of SQM in the thread. Please feel free to repost after editing. Thank you.