Using data from a survey of Pennsylvania food processors, we investigate what firm-level characteristics make a processor more or less likely to buy agricultural inputs and ingredients though contracts. We find that over 20 percent of Pennsylvania processors use contracts, and over 44 percent of agricultural inputs (based on value) are purchased under contract. We also analyze the two related questions of what firm attributes, attitudes, or other factors make a firm more likely to use contracts at all, and what factors lead a processor who does contract to use them more intensively.