DPI is the nonprofit trade association working for the continued progress of the broiler chicken industry in Delaware, the Eastern Shore of Maryland, and the Eastern Shore of Virginia. In existence since 1948, DPI's members include nearly 1,400 farm families raising chickens, four poultry companies producing birds on Delmarva, and hundreds of poultry company employees, allied industry suppliers of products and services, and Delmarva-based, non-poultry businesses.