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Intergulf Corporation is a Pasadena, TX-based company in the Energy and Utilities sector.
River Valley Energy Services Corporation is a Grimshaw, AB-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.
Perfection Oil Co., Inc. is a Dubuque, IA-based company in the Energy and Utilities sector.