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U.S. Energy Development Corporation is a Getzville, NY-based company in the Energy and Utilities sector.
TETRA Technologies, Inc. is one of the leading companies 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.
John Thompson Enterprises Inc is a Watonga, OK-based company in the Energy and Utilities sector.