Jansen Heating, Air Conditioning & Electrical - Freeport, Illinois

Hankard Environmental - Verona, Wisconsin

Coral Nutrition Coach - Chicago, Illinois

Environmental Education Fund - Trenton, New Jersey

Horizon Management Services - Dubuque, Iowa

Patrick Engineering - Chicago, Illinois

GZA GeoEnvironmental, Inc. - Oak Brook, Illinois

Itasca-Mantrap Electric Cooperative - Park Rapids, Minnesota

All Industrial Electric Inc - Schaumburg, Illinois

Bureau of Sanitation - Chicago, Illinois