I was surfing BP when I cam across an add for an agency Executive Choice Escorts.  
http://www.executivechoiceescorts.com/escorts/maryland/gallery.html
The site claims that they have beein in existence since 1999. I have only been doing this in 2013, but am fairly active in browsing and researching providers. I have never heard of them, nor run accross any reviews of their providers.  

http://tinyurl.com/kp5qjt8

they are a little expensive for a  local agency

I consider my self fairly computer literate.  Please tell me how you find them so I can find the next one independently.

-- Modified on 11/7/2013 12:53:34 PM

and seem to be outcall-only (although I didn't see it explicitly on the web site), which generally is  higher $.