We are proud to be a Midwest energy company that provides electric and natural gas services to our customers and communities throughout Iowa and Wisconsin.

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Quanex Building Products

North Elida Street 501, 61088 Winnebago, United States

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Rock River Manufacturing

Reuben Snake Avenue 220, 68071 Winnebago, United States

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Continental Carbonic Products, Inc.

6th Avenue Southeast 721, 56098 Winnebago, United States

Continental Carbonic is one of the largest manufacturers of dry ice and suppliers of dry ice blasting machines with 40 locations throughout the U.S. and Canada.