How does one go about finding UTR providers ?  If they are UTR how do they get clients ?

Via private messaging.  Providers have UTR girlfriends.

If you are linked in to a network of other gents, info is gathered that way. In other cases, if a provider knows you and trusts you, she will tip you off to other women she is friendly with or in some cases, possibly girls she is actually representing.  
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The old line is true about UTR women. "You don't find them...they find you."

So do the UTR's pay their friends a "finders fee"?  

She does duos with me. If anyone wants see her solo after we meet it's an option. Sharing is caring. I used to introduce lots of my friends.

I have come across a few situations where one lady is comfortable being the front on ads, reviews, etc... But contacting her turns out to be a portal into multiple ladies.  

Are the only utr gals im interested in

I once found an excellent UTR gal because she was friends with an escort I was seeing.   She asked me if I'd like to do a 3-some with her friend and we started doing these often.

Any tips on getting a porn star to do p4p? I have a few I'd love to fool around with lol.

You can thank me later.... lol

Ive got a gal that knows gals. Pm me

There is a Porn Star Board where you can ask about that, too.

That board is mostly dead it seems.

That board is phenomenal if you like to make lists of pornstars youve seen. Or want to see. Or would have seen.  

to have TER VIP.  Being able to network with other mongers by PM that like the same kinds of girls you do will often lead you to UTR girls.  Guys you PM with on a regular basis to share intel about new or touring girls are usually willing to give you a referral so that you will get a response from the girl when you try to book, and referrals is how most of the UTR girls get new customers.  You just have to be on good terms with a customer she knows and has seen who can give her your phone number and a vouch that you are trustworthy about not reviewing or publishing anything about her, so that when you reach out to make contact, she recognizes the number and knows it's okay to respond to you.  There will still be some screening, but the vouch does most of the work.  

100% accuarate. The pm has been a great tool