Winnebago County Data Proc 404 Elm St # 508 Rockford, IL 61101 Phone : (815) 987-2532 Winnebago County Data Proc Business Category Government Offices-County Legislative Bodies Winnebago County Court House--data Processing Dept Rockford, IL 61101 Phone : (815) 987-2532 Business Category Data Processing Services Computer Processing & Data Preparation & Processing Services Computer & Audio Visual Services County Government-Courts Courts