YumYum

 was a pre-War company in the United States, producing packaged foods. YumYum deviled eggs was their major product.

The box of deviled eggs lists "Dried" as one of the food's features, meaning that YumYum probably used freeze-drying to produce foodstuffs.

Appearances
The YumYum name appears in Fallout 3 and Fallout: New Vegas, on the box of their product, YumYum deviled eggs.