The board has rules on who we can and cannot discuss.
Unfortunately, the grey area around the AMPs advertising on the K board are pretty much off limits on any board.
So, inquiries regarding those facilities and providers are not "keeping them to ourselves", but rather obeying the rules of the boards.
Truthfully, its not hard or expensive to do your own market research. For a $40 investment at most places, you can find out if your needs will be met. At worst, you get a half hour of quiet time.
If you stick to wanting advice about those listing on Leolist, OhMy or other media, and about actual Escorts (this is an Escort Review Board), I'm sure you will get more informative responses.