Listed below are the corporations that spent money to defeat Proposition 37 (proposition 37 ~ The California Right to Know Genetically Engineered Food Act). The act was defeated in the state of California on November 6, 2012: 53.7% No to 46.3% Yes:
"Monsanto ($8.2 million)
DuPont ($5.4 million)
Pepsico ($2.1 million)
Grocery Manufacturers Association ($2 million)
DOW Agrisciences ($2 million)
Bayer Cropscience ($2 million)
BASF Plant Science ($2 million)
Syngenta Corporation ($2 million)
Kraft Foods ($1.9 million)
Coca Cola ($1.7 million)
Nestle ($1.3 million).
Those and other major donors, including General Mills, Kellogg's, Del Monte, Campbell's Soup, Heinz Food, Hershey, J.M. Smucker, Ocean Spray, Hormel, Unilever, Sara Lee, Dean Foods, and Dole, make up most of the major brands on supermarket shelves in the U.S. and Canada."
source see: http://willowsweb.blogspot.ca/ ~ entry for November 8, 2012