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St Lawrence Gas is a Massena, NY-based company in the Energy and Utilities sector.
Ceramic Industries Inc is a Hutchins, TX-based company in the Energy & Utilities sector.
Hydril is a Houston, TX-based company in the Energy and Utilities sector.
RigEye Services is a Denver, CO-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.