Izaak Walton League

SD American Water Works Association

Eastern South Dakota Soil and Water Research Farm

Minnehaha Community Rural Water Corporation

Lincoln County Rural Water System

Howard R Green Company

HDR Engineering

Advanced Engineering and Environmental Services, Inc.

Bartlett and West

Appeara

Coca-Cola Bottling Company

Hy-Vee

The Outdoor Campus

Great Plains Zoo and Delbridge Museum

The Washington Pavilion of Arts and Science

SD Water and Wastewater Association

SD Discovery Center

US Army Corp of Engineers

SDSU Extension STEM

Sierra Club

National Park Service

SD Department of Agriculture

Lewis and Clark Rural Water System

Banner Associates

Clay Rural Water System

HD Supply Waterworks

Lincoln Conservation District

U.S. Fish and Wildlife

Natural Resources Conservation Service

Butterfly House and Aquarium

Minnehaha Master Gardeners

Siouxland Heritage Museums

SD Game, Fish and Parks

Donovan’s Hobby Center

SD Geological Survey

USGS EROS Data Center

National Music Museum

SD Rural Water Association

SD Department of Environment and Natural Resources

NOAA National Weather Service

SD Trapper’s Association

Halverson’s Aqua One

Lake Area Technical Institute

City of Harrisburg

DGR Engineering

Lincoln County 4-H

McCook County 4-H

Minnehaha County 4-H

Pfeifer Implement

Centerville Rotary Club

SF West Rotary Club

SD Canoe and Kayak Association

SD Soil Health Coalition