There is an asian agency in NJ that does asian incall that has nice reviews search TER  
A russian/eastern europen group in the Dover area
I don't know if they are still there
Prepare to make regular visits to become a very trusted regular, little chance if they do not know you well.
Easier to find a good independent, then it is a FS amp
YMMV as the ladies change frequently
They are all extremely LE paranoid and this is the holiday season for raids