Henry-stark Cooperative Unit 26234 N 100th Ave # 4 Galva, IL 61434 Phone : (309) 853-1533 Business Category Schools-Universities & Colleges Schools Government Offices-County Legislative Bodies Henry County Of--cooperative Extension Unit Po Box 74 Galva, IL 61434 Phone : (309) 853-1533 Business Category Government Offices-County Government Offices & Public Schools