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Thanks. This is what I figured, but I realized that I've never tried it before and I wanted to be 100% sure before potentially noindex'ing my homepage

Hi Ben! Our tool will need to validate the address each time the csv is uploaded.  For any locations marked as a service address, we will submit it to our partners but cannot guarantee they will hide the physical location from their sites.

@Philip, did you find a solution for this one?

I considered that but didn't really see any reason this site would add links to our site and then quickly remove them.  I've seen crazier things though.... I actually just finally figured it out, though.  They are displaying our site through a damn iframe.  There's a link hidden in the jumbled mess on their site that says "View Website" -- I missed that before.  Since it doesn't actually link to us, crawlers weren't finding it and my source code search for our URL didn't find it either.  However, Google is reporting it as a link, which is strange.  The "View Website" link really just links to another page on their own site that shows our homepage in an iframe.