High Class Call Girl: Absolutely all of them (see: Platonic Prostitution – but this applies even outside that market segment, say with the Eldinimieuthunimis offworld – Band of Brothels, and Unproblematic Prostitution).  Given the local cultural attitudes, no-one is interested in servicing the hypothetical low end (at least in the Empire, those same cultural attitudes kill the demand side down here, too) of the market.