Crouse Concepts, Inc. Sewer & Septic Service - Sullivan, Illinois

NRG Joliet Generating Station - Joliet, Illinois

ARC - Solar Energy & Installation - St Charles, Missouri

Ameren Illinois - Springfield - Springfield, Illinois

Prairie Power Inc - Springfield, Illinois

Powerdyne Electric Utility Service, LLC - Spring Grove, Illinois

Illinois Municipal Electric Agency - Springfield, Illinois

Chevron Renewable Energy Group - Seneca, Illinois

Shelby Electric Cooperative - Shelbyville, IL

Wayne-White Counties Electric Cooperative - Fairfield, Illinois