It seems providers based out of Texas or southern states put their profiles on Eccie, but not all providers from North America puts their ads on Eccie.
Anyone has list of other sites based on regions in NA?
You can always ask, but yes, for some reason in the US regionalism plays a big role, not only in providers, but in stores, electronic systems, equipment...
It seems that historically, regional brands/systems are preferred.
You have to remember that the "national" systems are very new. Just think of the "USA today". A national newspaper was very hard to accept, and it almost went bankrupt many times.