50% - Snap-On
10% - Craftsman
I'm having a hard time even guessing percentages for the remainder, but I'm sure I've got at least a few percent worth of OTC, Cornwell, Husky, Matco, Lisle, GearWrench, SK, Kobalt, HF/Pittsburgh, Sunex, IR, Channellock, Grey Pneumatic, KD, Proto, Stanley, and...