PRUDENTIAL
Gilardi Foods is owned by ConAgra
Mars
Nabisco Foods Group is owned by Kraft Foods Inc.
Mars Foods
Dean Foods
Super Valu, Inc. owns Cub Foods in most markets. However, SuperValu has been selling many of its Cub Foods stores to other grocery chains.
Kellogg Company.
Bluebird is owned by Flowers Foods
Kraft General Foods
mckee foods corparation
Castle & Cook corp. I believe.