Corporations opposed to California's Prop 37 which requires labelling of GMO ingredients in food products have donated more than $34 Million to defeat the measure which could have nationwide implications in terms of food labelling and packaging.
According to KCET's election 2012 site and other sources the companies/grups leading the charge in favor of Prop 37 are
- Consumers Union
- Sierra Club
- Organic Consumers Fund
- Dr. Bronner's Magic Soaps
- Nature's Path Foods
- Lundberg Family Farms
And those most strongly against it are:
- Monsanto donated over $7million to fight
- DuPont
- BASF
- DOW
- Council for Biotechnology Information
- Grocery Manufacturers Association
- PepsiCo
- Coca-Cola
- Kellogg Company
More info is available from the Cornucopia Institute