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NOV Inc. is an American multinational corporation based in Houston, Texas.
Production Enhancement Group, Inc., a Houston-based energy services company incorporated in Alberta, Canada, rades on the TSX under the symbol WIS.
National Fuel Gas Distribution Corporation is one of the leading companies in the Energy and Utilities sector.
Foster fuels is a Brookneal, VA-based company in the Energy and Utilities sector.
Carolina Solvents Inc is a Hickory, NC-based company in the Energy and Utilities sector.