Iowa White Water Coalition

Wells Fargo Environmental Affairs Green Team Iowa

Caseys General Stores

Metro Waste Authority

Izaak Walton League

City of Des Moines

Keep America Beautiful

Department of Natural Resources

Meredith Corporation

City of Pleasant Hill

Corps of Engineers

Polk County Conservation

Central Iowa Paddlers

Sierra Club Central Iowa Chapter

Raccoon River Watershed Association

Des Moines Water Works

Des Moines Rowing Club

Jim's Johns Portable Restrooms

Waste Management

Waste Connections