Sun Prairie Stop by Booth 108 at the Midwest Ag Expo SEEDS ORGANIC | CONVENTIONAL | TRAITS SUNPRAIRIESEEDS. COM | 217-469-2351 Champaign County Seed Co. 1676 C.R. 2200 East St. Joseph, IL (217) 469-2351 Local Company. Local Focus. Real Results! SM-LA1949617 Sun Prairie Stop by Booth 108 at the Midwest Ag Expo SEEDS ORGANIC | CONVENTIONAL | TRAITS SUNPRAIRIESEEDS. COM | 217-469-2351 Champaign County Seed Co. 1676 C.R. 2200 East St. Joseph, IL (217) 469-2351 Local Company. Local Focus. Real Results! SM-LA1949617