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Tri-Alta Oilfield Industries Ltd is a Edmonton, AB-based company in the Energy and Utilities sector.
Halliburton Company is an American multinational corporation. One of the worlds largest oil field service companies, it has operations in more than 70 countries.
Walworth is a Stafford, TX-based company in the Energy and Utilities sector.
WDC Exploration and Wells is a Montclair, CA-based company in the Energy and Utilities sector.
GBE Services Corp is a Tulsa, OK-based company in the Energy and Utilities sector.