From my head, I actually have more:
M1 0W-30 2 5 qt jugs
M1 EP 15W-50 18 qts
M1 EP 5W-20 3 qts
MI EP 5W-30 10 qts
Valvo WB 1 5 qt jug
Valvo Durablend 10W-40 12 qts
Syntec 5W-30 12 qts
Syntec GC 10 qts
Tection 15W-40 3 4 qt jugs (thanks, Wally)
Edge 5W-30 5 qts
Peak 5W-30 10 qts
Proline 40W 4 qts
Maxlife 10W-30 2 4 qt jugs
Maxlife 5W-30 5 qts
PP 5W-30 2 5 qt jugs
PP 5W-30 29 qts
PP 10W-30 12 qts
QTorque 10W30 5 qt jugs (thanks, Wally)
QS green bottle 10W-40 10 qts
Havoline DS 10W-40 3 5 qt jugs (thanks, Wally)
As I said above, this is what I can recall, but I do have more.
My current purchasing rules limit me to almost free oil. I'll go through all of this stuff, but I probably don't need any more if I use ~60 qts a year.
Grand total:
22,891