Majority of building is Greenleaf Meat Packing, provides butcher services. Sells some meat, but does not have a selection available for view like a butcher's shop.
Southwest corner is Greenleaf Post Office

via StreetComplete 51.1

Attached photo(s):
https://westnordost.de/p/138055.jpg
https://westnordost.de/p/138056.jpg
https://westnordost.de/p/138057.jpg