In its fourth year, the Give Back Iowa Challenge had 56 participating organizations representing just under 54,000 employees in Iowa that logged over 83,000 volunteer hours impacting Iowa communities; an increase in hours of 39 percent from 2017. Winners were selected in four categories based on the highest average number of volunteer hours per employee. The 2018 winners include:
- Micro: Big Brothers Big Sisters of Northeast Iowa, Waterloo
- Honorable Mention: Lessing-Flynn, Des Moines
- Small: First Citizens Bank, Mason City
- Honorable Mention: Clear Lake Bank & Trust Company, Clear Lake
- Medium: Riverside Casino and Golf Resort, Riverside
- Honorable Mention: Spencer Hospital, Spencer
- Large: Wells Fargo, Des Moines
- Honorable Mention: John Deere Des Moines Area, Des Moines