Are those businesses? Or people's user names on various sites -- in that case, people who decided not to get a domain?
When I search for "Jewelopia", the second item in Google is this NamePros discussion. That leads me to believe that few people have put much time into building "Jewelopia" into a brand name.
Its very strange to see that, as I booked this domain as an online brand name for similar business (sterling silver jewelry, semi-precious stone jewelry, etc).
Hmmm, doubt whether these small companies can afford to buy a domain (from me, say at low $xxxx) or more importantly are they really interested in their online presence having their brand URL.