| Name | Title | Contact Details |
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DeGolyer and MacNaughton is a Dallas, TX-based company in the Energy and Utilities sector.
Perfection Oil Co. is a Dubuque, IA-based company in the Energy and Utilities sector.
Mid Continent Well Logging is a company that provides mud logging and formation evaluation services to the oil and gas industry.
ROSEN North America is a Houston, TX-based company in the Energy and Utilities sector.
Core Minerals is a Evansville, IN-based company in the Energy & Utilities sector.