Speaking of getting companies confused, I didn't know the difference between Matco and Mac for a long period of time. Four tool truck brands and two of them have nearly identical names, differing by only two added letters?
The way I remember it now is that Mac is part of Stanley Black and Decker, and I do own a lot of Proto tools, and I know there's some tools that are shared across the SBD lineup like USAG RRBT wrenches and Anti-Vibe Hammers.
I dont think I own anything from either Matco or Mac at the moment. And not from Cornwell either, Snap on is the only tool truck I have anything from (buying direct or used).