Crankcase + Destrons (Power Core Combiners)
Mindset (Reveal the Shield)
Snow Cat (Energon)
Dirt Boss (Cybertron)
Ransack (Cybertron)
Longrack (Cybertron)
Override (Cybertron)
Menasor (Cybertron)
Scrapmetal (Cybertron)
Landmine (Cybertron)
Heavy Load (Cybertron) (comes with Menasor)
As you can see, most of my stuff is from Cybertron, since that's when I really got into Transformers.
I also used to have some G1 Transformers when I was way younger, but I don't know were they are. Probably donated to somewhere.