Agri-Chem, LLC Princeton KY is 1 of 7 locations and home office located in Hopkinsville KY. Other locations include Russelville, Clinton, Bardwell, Herndon, Trenton and Hopkinsville. We specialize in custom application, fertilizer and seed. We are a retailer for Monsanto, Syngenta, Pioneer, Croplan Genetics, BASF, Bayer, Dupont, Dow Agrosciences, FMC, and Winfield Solutions.