I will let everyone know what I find out. However, I suspect that the quantities will be large, particularly for the Ezzo brand. When I went to the Ezzo website, all I saw was slices, not sticks. Since they don't sell at the retail level, I can't imagine their packing the pepperoni in small packages. The Margherita pepperoni, however, is sold in stick form. It is also sold in slices, in large packages, judging from the product list.
When I spoke to the gal at Ezzo the other day, she said that they don't sell to the big pizza outfits, like Domino's or Pizza Hut. She said they were a small company. So it is unlikely that you can go to one of the big guys to buy a pound or so of the pepperoni slices. I'm guessing that the big pizza companies buy from Hormel, Cudahy and maybe a few mid-sized companies that can supply in volume and with consistent quality.