[Jamestown1630]

The Mormons take keeping a year’s supply on hand very seriously. They used to have centers where you could buy things in bulk, probably still do (you don’t have to be Mormon to shop there.)

They might have some good information.

[Manuel OKelley]

I am not LDS and have limited familiarity with their products but:

https://providentliving.churchofjesuschrist.org/food-storage/home-storage-center-locations-map?lang=eng