| Name | Title | Contact Details |
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Production Enhancement Group, Inc., a Houston-based energy services company incorporated in Alberta, Canada, rades on the TSX under the symbol WIS.
hydroGEOPHYSICS is a Tucson, AZ-based company in the Energy and Utilities sector.
E Fuels is a Houston, TX-based company in the Energy and Utilities sector.
Weatherford International is a Kingwood, TX-based company in the Energy and Utilities sector.
Key Energy Services Inc is a Dunbar, WV-based company in the Energy and Utilities sector.