Um... they all suck. Don't EVER incorporate Salvatore into your game, unless you want it to run Monty Haul, that is.
And Song and Silence was cool - once - when it was an original idea.
Howsabout "Pilferer's Equity"
or "The Masons" - very big on the secret underpinnings of society
or even better "Mason's Guild" or "Mason's Union" with a figurehead named Mason.
Okay, I'm going to get my coffee now.
Cutthroat's Anonymous?
Okay... I'm know.... I'm leaving.