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Expro is an international oil and gas service company, specializing in well flow management, headquartered in Reading, United Kingdom.
Frontier El Dorado Refining Company is a El Dorado, KS-based company in the Energy and Utilities sector.
re trac is a Brandon, SD-based company in the Energy & Utilities sector.
Elexco Inc is a Seymour, WI-based company in the Energy and Utilities sector.
Shell is a global group of energy and petrochemicals companies. It consists of the businesses of Upstream, Integrated Gas, Downstream, and Projects & Technology. With approximately 90,000 employees in more than 70 countries and territories, Shell is helping to meet the world`s growing demand for energy in economically, environmentally and socially responsible ways.