18 Companies That Oppose GMO Food Labeling

A veritable grocery aisle Who's Who has coughed up nearly $10 million in the first half of 2012 to defeat Prop 37, the California ballot measure that would force food companies to label their products made with Genetically Modified Organisms (GMOs). So who's paying to keep consumers in the dark about GMOs? Click through to find out. 

Source: California Secretary of State.

Photo: Reuters Pictures