The overall objective of this paper is to describe and analyze selected aspects of the Colombian corn subsector in order to provide information for evaluating alternative forms of market organization and operation that could lead to improved subsector performance. The overall objective involves four specific sub-objectives: (1) To describe the geographic distribution of corn production and the trends in production, consumption, and imports; (2) To describe the organizational structure of the corn subsector, (3) To analyze price movements and demand relationships in the corn subsector; and (4) To identify problems for future research.