CHS Elburn Coop Agricultural Business Services CHS Elburn Coop Visit Website 108 North Main Street Sycamore, IL 60178 (815) 899-8964 (815) 899-5600 (fax) LinkedIn Facebook Twitter About About Our cooperative is one of many company-owned, locally-governed ag service centers that are part of CHS Inc., the nation’s leading farmer-owned cooperative, committed to delivering value and helping its owners grow.