1. Largest Communications Agencies Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 2022-05 Published: United States: National Agri-Marketing Association Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 205 Document Number: D12554 Journal Title: Agri Marketing Journal Title Details: p. 16-23 Notes: 8pgs, Following is Agri Marketing's annual listing of the largest marketing communications agencies whose clients sell products and services within the agricultural industry and/or to the rural lifestyle consumer.