Packinghouse

noun

1. A firm that slaughters, processes, and packs livestock into meat and meat products.
2. A firm that processes and packs food products other than meat.
3. An establishment in which provisions, especially beef and pork, are packed.
4. A place where foodstuffs are processed and packed.

   "they came from an apple packinghouse"

5. A plant where livestock are slaughtered and processed and packed as meat products.