Cargill, which is privately owned, has been doing business since 1986 in Venezuela, where its operations include oilseed processing, grain and oilseeds trading, animal feed, salt, and financial and risk management.

CNN: Chavez orders nationalization of Cargill

In 1981, he secretly entered Siberia to document a Soviet food-processing facility that was converting illegally harvested whale meat into feed for animals at a fur farm.

NEWYORKER: Neptune��s Navy

Founded in 2001 by two graduate students from the Colorado School of Mines, Oberon aims to address the fish-feed problem by serving farmed fish the bacteria used to eat up the excess food in wastewater streams of food-processing plants.

FORBES: Magazine Article