According to our records, this business is located at 50 N Broadway in Humboldt (in Coles County), Illinois 61931, the location GPS coordinates are: 39.6079433 (latitude), -88.3220264 (longitude). Effingham Clay Service Co is categorized under Seeds and Bulbs (SIC code 5191). Known organization manager is Mike New. You can contact the company by phone at (217) 856-3155.