1. Largest communications agencies Collection: Agricultural Communications Documentation Center (ACDC) Format: journal article Publication Date: 2010-05 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C30171 Journal Title: Agri Marketing Journal Title Details: 48(4) : 42-44, 46-50 Notes: Annual listing of the largest marketing communications firms whose clients sell products and services within the agricultural industry and/or the rural lifestyle consumer market.