well you do realize that one of the 'big' companies makes these and just rebadges them as a store-brand, right? i mean there is no Meijer, or Great Value pizza factory.
i almost always buy store brands. 80% of the time id say its big brand repackaged. i work at a food distribution warehouse and even the case packaging is identical. the great value stuff comes in the same case packages as tyson or whatever, except one says GV and one is Tyson. you can tell who makes what.