You forgot a GM Tech 1A, and Tech 2, a Ford NGS (up to around 2005) and IDS system for newer than 2005 vehicles, For Mopar, a DRB, DRBII, DRBIII, and wiTech. None of which are cheap to own but pretty much a necessity in a dealership or any serious repair shop.
I paid $3,200 for a new Ford NGS...