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Craf-tron Electric Inc is a Delafield, WI-based company in the Energy and Utilities sector.
Lawrenceburg Utility Systems is a Lawrenceburg, TN-based company in the Energy and Utilities sector.
Total Cost Involved Engineering is a Ontario, CA-based company in the Energy and Utilities sector.
Mineral Resource Technologies Inc is a Spring, TX-based company in the Energy and Utilities sector.
SEMCO Energy, Inc. is engaged in natural gas distribution operations in Michigan and Alaska. The Company's Michigan operation is referred to as SEMCO Gas, while the Alaska operation is called ENSTAR. SEMCO Gas is a division of the Company. The ENSTAR