Official Verizon press shots of the Galaxy Nexus leak31
The only other branding on the back belongs to Samsung. Interestingly, there doesn’t appear to be any Google branding on the phone's exterior, although the word “Google” sits in plain view on the baked-in search bar on the home pages (as long as Google is your default search engine). We’re not really sure what to make of that, but we suspect that for most of you when the phone will ship ranks higher on the priority list then which names are on the back.
source: androidforums via Droid-life