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Geophysical Development Corporation is a Houston, TX-based company in the Energy and Utilities sector.
Aspen Integrated Oil & Gas is a Fort Worth, TX-based company in the Energy and Utilities sector.
Shell Oil Company is the United States-based wholly owned subsidiary of Royal Dutch Shell, a transnational corporation "oil major" of Anglo-Dutch origins, which is amongst the largest oil companies in the world.
Benchmark Directional Services is a Tallulah, LA-based company in the Energy and Utilities sector.