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Youngstedts is a Minnetonka, MN-based company in the Energy and Utilities sector.
Walter Oil and Gas Corporation is a Houston, TX-based company in the Energy and Utilities sector.
US Lubes is a Upper Marlboro, MD-based company in the Energy and Utilities sector.
Production Enhancement Group, Inc., a Houston-based energy services company incorporated in Alberta, Canada, rades on the TSX under the symbol WIS.